Compatibility: Shock collar replacement strap fits most of the dog training collar, bark collars and invisible fence. Compatible with Paipaitek, Petsafe, Patpet, Sportdog, Garmin, Dogtra, Delupet, Heaflex, Petrainer, dog care, dogrook, Replacement collar Convenient & Comfortable: aikko dog collar is made of soft durable nylon webbing, lightweight, flexible and skin-friendly, will not hurt your dog's skin, premium ABS made buckles, easy to put it on/off Safety & Reflective: There are double lines of reflective stitching on the aikko dog collar, it will be reflective when light shoots on it, so it will ensurethat your dog will be seen at night and in low light situations Quick Release: Replacement shock collar strap is easy to put on and take off on the dog. Once set to the right size, you can put it on your dog's neck in a second. The e collar replacement strap is durable and not easily torn off by dogs Adjustable Size: The 3/4 inch collar fits necks from 8-27 inches and is 28 inches long, suitable for dogs from 4-150 lbs, covering large, medium, and small breeds. 【Tips】 Make sure to leave 2 fingers between collar and dog neck 2 Pack Replacement Collars for Dog Shock Training Bark Collar, Reflective Adjustable Replacement Strap, Compatible with DOG CARE, PATPET, Bousnic, Slopehill, NVK, Paipaitek, Petsafe, Patpet, Sportdog, Enrivik, FunniPets, Heaflex, Delta, Petrainer, Garmin, Dogtra, TrainPro, Educator and so on.