Large Dog Collars

Dogline's large dog collars combine heavy-duty security with premium materials like Biothane, leather, and nylon, all available in a range of colors and sizes to fit every big dog. Durable, comfortable, and built to last, they're made for real adventures, not just the store shelf.

Explore the options below to find the perfect fit for your pup.

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Color options for Viper Biothane Waterproof Dog Collar - Brass Hardware - Size S (12 to 15 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$15.99

Viper Biothane Waterproof Dog Collar - Brass Hardware - Size S (12 to 15 inches)

Size S collar - width 5/8", length 12-15". Other available sizes: L 9"-12" x W 1/2"L 15"-18" x W 3/4"L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x W...
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Color options for Dogline Pebble Emboss Biothane Dog Collar with Magnetic Buckle Select Black

Select Blueberry Royal

Select Teal

Select Cherry Red

Select Hunter Orange

Select Sage Green

Select Hot Pink

Select Amethyst Purple

from $25.99

Dogline Pebble Emboss Biothane Dog Collar with Magnetic Buckle

A Must for Active DogsThis dog collar with a quick release buckle combines authentic BioThane webbing, heavy duty waxed thread stitching, and water...
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Color options for Dogline Pebble Emboss BioThane Dog Collar with Heavy Duty Cobra Buckle Select Black

Select Blueberry Royal

Select Teal

Select Cherry Red

Select Hunter Orange

Select Sage Green

Select Hot Pink

Select Amethyst Purple

from $41.99

Dogline Pebble Emboss BioThane Dog Collar with Heavy Duty Cobra Buckle

Waterproof MaterialMade from a durable, water-repellent material, this quick release dog collar stays dry and odor-free, so you can focus on creati...
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Color options for Dogline Pebble Emboss Biothane Dog Collar with Herm Sprenger Stainless Steel ClicLock Buckle Select Black

Select Blueberry Royal

Select Teal

Select Cherry Red

Select Hunter Orange

Select Sage Green

Select Hot Pink

Select Amethyst Purple

from $31.99

Dogline Pebble Emboss Biothane Dog Collar with Herm Sprenger Stainless Steel ClicLock Buckle

The pebble embossed dog collar is made from the authentic Biothane waterproof coated webbing with an anti-slip, pebble textured surface that provid...
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Color options for Viper Round Biothane Slip Collar with Brass Hardware Select Black

Select Blue Aqua

Select Deep Sea Blue

Select Cherry Red

Select Hunter Orange

Select Sage Green

Select Passionfruit Pink

Select Magenta Pink

Select Amethyst Purple

from $21.99

Viper Round Biothane Slip Collar with Brass Hardware

The slip-on design of the Round Biothane Slip Collar allows to gently tighten when your dog pulls, helping prevent backing out while giving you bet...
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Color options for Viper Biothane Waterproof Dog Collar - Brass Hardware - Size M (15 to 18 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$17.99

Viper Biothane Waterproof Dog Collar - Brass Hardware - Size M (15 to 18 inches)

Size M collar - width 3/4", length 15-18". Other available sizes: L 9"-12" x W 1/2"L 12"-15" x W 5/8"L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x W...
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Color options for Waterproof Dog Collar with Safety Lock Buckle Select Black

Select Cerulean Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Passionfruit Pink

Select Safety Yellow

Select Pastel Purple

from $17.99

Waterproof Dog Collar with Safety Lock Buckle

These adjustable dog collars are made from Hexa webbing with PVC coating and honeycomb texture that does not absorb moisture and dirt, and does not...
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Color options for Waterproof Dog Collar with Metal Stab-Lock Buckle Select Black

Select Cerulean Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Passionfruit Pink

Select Safety Yellow

Select Pastel Purple

from $29.99

Waterproof Dog Collar with Metal Stab-Lock Buckle

This dog collar with metal buckle is made from Hexa - a PVC coated webbing with honeycomb texture that is completely water- and odor resistant, sof...
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Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - Size S (12 to 15 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$13.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - Size S (12 to 15 inches)

Size S collar - width 5/8", length 12-15". Other available sizes: L 9"-12" x W 1/2"L 15"-18" x W 3/4”L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x W...
View full details

Sale

Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - Size L (18 to 22 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$19.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - Size L (18 to 22 inches)

Size L collar - width 1", length 18-22".Other available sizes:L 9"-12" x W 1/2"L 12"-15" x W 5/8”L 15"- 18" x W 3/4"L 22"-25" x W 1"L 16"-20" x W 1...
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Sale

Color options for Viper Biothane Waterproof Dog Collar - Brass Hardware - Size L (18 to 22 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$21.99

Viper Biothane Waterproof Dog Collar - Brass Hardware - Size L (18 to 22 inches)

Size L collar - width 1", length 18-22". Other available sizes: L 9"-12" x W 1/2"L 12"-15" x W 5/8"L 15"- 18" x W 3/4"L 22"-25" x W 1"L 16"-20" x W...
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Sale

Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - Size M (15 to 18 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$15.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - Size M (15 to 18 inches)

Size M collar - width 3/4", length 15-18".Other available sizes:L 9"-12" x W 1/2"L 12"-15" x W 5/8”L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x W 1...
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Color options for Dogline Omega Nylon Dog Collar with Space for Removable Patches Select Black

Select Red

from $10.99

Dogline Omega Nylon Dog Collar with Space for Removable Patches

Dogline Omega Collars are great for both working dogs and pets alike. Created from a strong ballistic nylon that is both durable and weatherproof, ...
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Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - 1.5" Wide, Size XXL (24 to 28 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$31.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - 1.5" Wide, Size XXL (24 to 28 inches)

Size XXL collar - width 1.5", length 24-28".Other available sizes:L 9"-12" x W 1/2"L 12"-15" x W 5/8”L 15"- 18" x W 3/4"L 18"-22" x W 1"L 22"-25" x...
View full details

Sale

Color options for Pebble Emboss Biothane Dog Collar with Quick Release Buckle Select Black

Select Blueberry Royal

Select Teal

Select Cherry Red

Select Hunter Orange

Select Sage Green

Select Hot Pink

Select Amethyst Purple

from $19.99

Pebble Emboss Biothane Dog Collar with Quick Release Buckle

Free your dog to romp in puddles and retrieve from lakes with the Pebble Grip Biothane Dog Collar with a quick release buckle. This waterproof dog ...
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Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - Size XS (9 to 12 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$11.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - Size XS (9 to 12 inches)

Size XS collar - width 1/2", length 9-12". Other available sizes: L 12"-15" x W 1/2"L 15"-18" x W 3/4”L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x...
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Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - Size XL (22 to 25 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$21.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - Size XL (22 to 25 inches)

Size XL collar - width 1", length 22-25".Other available sizes:L 9"-12" x W 1/2"L 12"-15" x W 5/8”L 15"- 18" x W 3/4"L 18"-22" x W 1"L 16"-20" x W ...
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Color options for Dogline Biothane Waterproof Dog Collar with Black Hardware - 1.5" Wide, Size XL (20 to 24 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$29.99

Dogline Biothane Waterproof Dog Collar with Black Hardware - 1.5" Wide, Size XL (20 to 24 inches)

Size XL collar - width 1.5", length 20-24".Other available sizes:L 9"-12" x W 1/2"L 12"-15" x W 5/8”L 15"- 18" x W 3/4"L 18"-22" x W 1"L 22"-25" x ...
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Sale

Color options for Viper Biothane Waterproof Dog Collar - Brass Hardware - Size XS (9 to 12 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$13.99

Viper Biothane Waterproof Dog Collar - Brass Hardware - Size XS (9 to 12 inches)

Size XS collar - width 1/2", length 9-12". Other available sizes: L 12"-15" x W 5/8"L 15"-18" x W 3/4"L 18"- 22" x W 1"L 22"-25" x W 1"L 16"-20" x...
View full details

Sale

Color options for Viper Biothane Waterproof Dog Collar - Brass Hardware - Size XL (22 to 25 inches) Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Blue Aqua

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Hunter Green

Select Sea Foam Green

Select Sage Green

Select Olive Drab Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Treasure Gold

Select Passionfruit Pink

Select Coral

Select Magenta Pink

Select Safety Yellow

Select Lemon Yellow

Select Violet Purple

Select Merlot Burgundy

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

$23.99

Viper Biothane Waterproof Dog Collar - Brass Hardware - Size XL (22 to 25 inches)

Size XL collar - width 1", length 22-25". Other available sizes: L 9"-12" x W 1/2"L 12"-15" x W 5/8"L 15"- 18" x W 3/4"L 18"-22" x W 1"L 16"-20" x ...
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Explore Dogline's Collars for Big Dogs

Big dogs pull harder, play rougher, and cover more ground, so their gear has to keep up. Dogline's large dog collars are built from premium materials, including Biothane, leather, and nylon, with reinforced construction that stands up to daily wear. For pet parents who need proven training control, our Herm Sprenger hardware delivers trusted performance backed by decades of use. Our Biothane collars are fully waterproof, so muddy trails and messy park days rinse clean in seconds, no scrubbing required.

A proper fit is essential for large breeds, so every collar features extra-wide sizing for oversized dogs, a secure buckle, and a keeper to hold the loose end in place. Additional resizing holes make small adjustments easy, but check our collar sizing chart first to land on the right dog collar for large dogs from the start. Looking to add a personal touch? Our personalized collars let you include your pet's name or your address, and each style is available in a full range of colors to suit your dog's look.

Dogline's large dog collars are designed to handle real use without cutting corners on comfort. Reinforced stitching and ergonomic shaping keep the fit secure through long days outdoors, making it easy to find the best collar for large dogs for whatever your dog gets into.

Explore our full collar collection, pair your collar with one of our leashes, complete the look with a matching harness, or browse all Dogline products.