Hikiko Martingale Dog Collars Reflective Nylon Dog Collar with Quick Release Buckle Adjustable Training No Slip Dog Collar (X-Small, Red)Martingale style collars Martingale collars Recommended by vets and trainers as the best design for daily wear. To prevent escape and correct behavior, martingale is perfect for training, give you gentle control over your pet DurabilitySoft nylon dog collar and heavy duty hardware won't easy loose or fray; Strict pulling test conducted before production. Properly fitted, the martingale dog collar will be comfortably loose whenever the dog is not