Compatible with PETSAFE, DOGTRA, GARMIN, SPORTDOG, MINI EDUCATOR, AND MANY MORE. Works with leading electronic Dog Training Systems. 12" - 22" adjustable length makes this collar comfortable for all Small, medium and large breed dogs. Quick-release buckle allows easy removal when not in use. Upgrade your dog's e-collar receiver strap! This collar is designed to offer improved comfort and superior receiver compatibility. Ditch your dog's old frayed receiver collar. Tough durable construction. Looking for a collar that can withstand your dog's rough and tough playtime? Look no further than our durable nylon strap! This low-maintenance collar is the perfect solution for dogs big and small. Experience the difference a new e collar replacement strap can make for your pup. Works with all "feed Through" style receivers. NOT compatible with "TWO HOLE" style Petsafe collars. LIFETIME WARRANTY: This collar was designed with love in Austin and we stand behind our products. Our warranty covers any defects and even covers chewing by your dog. 3/4" replacement collars