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Unbreakable Martingale Collar

  • Lifetime Guaranteed*
  • Even pressure distribution for gentle correction
  • Prevents pulling for better control
Size: Small/Medium (1.0" wide): 13"-18" adjustable
Color: Black
Variant sold out or unavailable Variant sold out or unavailable Variant sold out or unavailable
$37.99
$37.99
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In stock

Boss Dog® Martingale Collars provide strength, comfort, and control for your dog’s walks. With even pressure distribution and a secure adjustable fit, they prevent pulling while offering a stylish, durable design. Perfect for ensuring comfort and a great look!

  • Even pressure distribution for gentle correction
  • Prevents pulling for better control
  • Secure and adjustable fit for comfort
  • Durable, stylish design for Boss dogs
  • Promotes a superior walking experience

TEST STRENGTH UP TO

S/M 1,350 lbs (615 kg) L/XL 1,670 lbs (759 kg)

Boss Dog Tactical Products are engineered to withstand the listed force under normal pulling behavior from a dog. However, they are not indestructible, impervious to damage, or guaranteed against failure under excessive force, misuse, or atypical conditions. Any lifetime guarantee claims are subject to inspection and evaluation to determine eligibility under our warranty policy.

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Dog Collar Size Guide

Measure Twice, Buy Once!

Neck Girth:

Measure around the base of the neck where a collar would naturally sit.

Dog measurement illustration
Size Neck Girth Recommended Weight Best For
S 14-21" 20-40 lbs french bull dog, beagle, pug
M 16-22" 40-70 lbs malinois, greyhound, pitbull
L 18-29" 70-100 lbs german shepherd, retriever, rottweiler
XL 20-31" 100+ lbs great dane, st. bernard, bernese mountain dog

Sizing Tips

If your dog falls between sizes, choose the larger size
Add 2 inches to measurements if your dog has thick fur
You should be able to fit two fingers between the harness and your dog's body