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 Dogline Biothane Martingale Dog Collar with Herm Sprenger Stainless Steel ClicLock Buckle Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $31.99

Dogline Biothane Martingale Dog Collar with Herm Sprenger Stainless Steel ClicLock Buckle

Our BioThane martingale dog collar with Herm Sprenger buckle is built to withstand countless walks, swims, or playtime outdoor in the rain, snow, m...
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Color options for Soft Leather Round Dog Collar Select Beige

Select Black

Select Royal Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Brown

Select Dark Brown

Select Pink

Select Purple

from $14.99

Soft Leather Round Dog Collar

Matching leashes are also available. Dogline Fine Leather Collars – Sophistication Meets Durability Treat your dog to the elegance they deserve wit...
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Color options for Soft Rolled Leather Dog Collar with Brass Hardware Select Beige

Select Black

Select Royal Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Brown

Select Dark Brown

Select Pink

Select Purple

from $16.99

Soft Rolled Leather Dog Collar with Brass Hardware

Treat your dog to the elegance they deserve. Available in 11 rich, eye-catching colors—from classy red to stunning purple—these round dog collars a...
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Color options for Soft Leather Round Slip Collar Select Black

Select Red

Select Brown

Select Royal Blue

Select Teal

Select Pink

Select Purple

from $16.99

Soft Leather Round Slip Collar

Slip/Choke Collar measurements are provided according to its fully open position. When measuring your dog, please measure their neck size and add 2...
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Color options for Viper Biothane Waterproof Dog Collar with Brass Hardware 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

from $13.99

Viper Biothane Waterproof Dog Collar with Brass Hardware

No more water-logged dog collars Your dog loves to play in the rain but you hate the mess and the smell that it leaves in his collar. The Viper Hea...
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Sale

Color options for Biothane Waterproof Dog Collar 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

from $11.99

Biothane Waterproof Dog Collar

No more water-logged dog collars. Your dog loves to play in the rain but you hate the mess and the smell that it leaves in his collar. The Waterpro...
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from $24.99

Dogline Biothane Full Color Design Printed Dog Collar with Quick Release Buckle

Stylish Printed DesignIf you’re looking for something more than a basic dog collar, then you and your pet will love our Biothane collars with color...
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Color options for Biothane Adjustable Martingale Collar with Quick Release Buckle Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $19.99

Biothane Adjustable Martingale Collar with Quick Release Buckle

New 9"-12" size available! Tired of spending too much time prepping your pup for walks? Our Biothane Adjustable Martingale Collar with a Quick Rel...
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Sale

Color options for Soft Leather Round Martingale Collar Select Black

Select Royal Blue

Select Teal

Select Red

Select Brown

Select Pink

Select Purple

from $18.99

Soft Leather Round Martingale Collar

The soft Genuine Leather Martingale Collar is the next generation of super soft and durable collars that provide exceptional comfort and support fo...
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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 Dogline BioThane Dog Collar with Stab-Lock Quick Release Buckle Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $25.99

Dogline BioThane Dog Collar with Stab-Lock Quick Release Buckle

Waterproof MaterialThe BioThane webbing with water- and odor proof coating of this quick release dog collar withstands rain, snow, brackish waters,...
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Sale

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 Biothane Waterproof Dog Collar with Magnetic Quick Release Buckle Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $23.99

Biothane Waterproof Dog Collar with Magnetic Quick Release Buckle

This dog collar with a quick release buckle combines authentic BioThane webbing, heavy duty waxed thread stitching and waterproof coating, which pr...
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Color options for Nylon Flat Dog Collar Select Black

Select Cyan

Select Navy Blue

Select Dark Teal

Select Red

Select Orange

Select Lime Green

Select Hot Pink

Select Purple

Select Berry

Select Grey

from $5.49

Nylon Flat Dog Collar

Our Nylon Flat Collars offer a soft, adjustable collar crafted from tubular nylon, giving it a special rounded edge to ensure maximum comfort for y...
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Color options for Reflective Biothane Martingale Collar with Quick Release Buckle Select Black

Select Cerulean Blue

Select Hunter Orange

Select Passionfruit Pink

from $23.99

Reflective Biothane Martingale Collar with Quick Release Buckle

Walk your dog with total peace of mind thanks to our Reflective Biothane Martingale Collar with Quick Release Buckle. Crafted with heavy-duty bioth...
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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 Viper BioThane Dog Collar with Cobra Metal Buckle – Odor Resistant and Waterproof Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $39.99

Viper BioThane Dog Collar with Cobra Metal Buckle – Odor Resistant and Waterproof

BioThane webbing with water repellent coating of this durable dog collar withstands rain, snow, brackish waters, beach playtime and hiking activiti...
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Color options for Biothane Translucent Reflective Dog Collar Select Black

Select Blue

Select Red

Select Orange

Select Green

Select Pink

Select Yellow

Select Purple

from $16.99

Biothane Translucent Reflective Dog Collar

No more water-logged dog collars Your dog loves to play in the rain but you hate the mess and the smell that it leaves in his collar. The Dogline T...
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Sale

Color options for Biothane Adjustable Martingale Collar with Metal Buckle Select Black

Select Cerulean Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tropical Green

Select Dark Chocolate Brown

Select Coyote Brown

Select Passionfruit Pink

Select Safety Yellow

Select Violet Purple

Select Merlot Burgundy

Select Battleship Gray

from $21.99

Biothane Adjustable Martingale Collar with Metal Buckle

Keep your dog close on all of your outings with our Biothane Adjustable Martingale Collar with Metal Buckle. This long-lasting collar features a du...
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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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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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Sale

Color options for Biothane Adjustable Martingale Collar for Dogs Select Black

Select Cerulean Blue

Select Blueberry Royal

Select Sky Blue

Select Teal

Select Cherry Red

Select Hunter Orange

Select Tangerine Orange

Select Tropical Green

Select Sage Green

Select Coyote Brown

Select Passionfruit Pink

Select Magenta Pink

Select Violet Purple

Select Pastel Purple

Select Amethyst Purple

Select Battleship Gray

from $18.99

Biothane Adjustable Martingale Collar for Dogs

New 9"-12" size available! Looking for your dog’s next go-to collar? Our Biothane Adjustable Martingale Collar puts an end to your search, featuri...
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Color options for Comfort Microfiber Flat Dog Collar Select Black

Select Blue

Select Teal

Select Red

Select Orange

Select Lime Green

Select Brown

Select Pink

Select Purple

from $9.99

Comfort Microfiber Flat Dog Collar

Matches Comfort Microfiber Flat Leash Introducing Dogline's New Comfort Flat Microfiber Collar Collection. Made of super soft and durable microfib...
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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.