If It Barks 1.5" Martingale Collar Stripe HANDMADE IN THE USA using designs tested on thousands of dogs over the last 14 years. Customer service is always available to support you if needed. Experience BETTER CONTROL with a Martingale Dog Collar. Martingale or limited slip collars provide better support by applying even pressure around your dog's neck and reduces pulling. PREVENT DOGS FROM BACKING OUT OF COLLAR with a properly fitted martingale collar. Great for dogs with necks larger than their head like sighthound breeds and other small or large dogs. QUALITY MATERIALS AND CONSTRUCTION have been a part of every If It Barks collar since 2002. If the stitching or hardware fails with regular wear, we'll replace it. MEASURE YOUR DOG'S NECK to ensure you get the correct size collar to fit your dog.