Our sturdy collar replacement straps are crafted from heavy polyurethane coated nylon right here in the U.S.A. It is the perfect replacement strap for Garmin, SportDOG, Dogtra and Einstein (E-Collar Technologies) e-collars and GPS collars. Sparky Pet Co Strap Features : Strap is 3/4 inch wide and 28 inches long; complete with our popular Roller Buckle oFits dogs with necks from 10 inches-25 inches in diameter oEasy to get a perfect fit with 30 tightly spaced sizing holes oMeasure and cut to desired length oDurable strap has heat sealed holes and ends-will not fray or unravel, Strap has a Roller Buckle as pictured for easy maneuverability oEndures the harsh weather-stays flexible in extreme cold oCleans easily with damp cloth oD-Ring at buckle provides added security oUpgraded nickel plated buckle is curved for your dogs comfort Keep your pet safe and yourself stress free. Our high flex, 3/4" x 28 replacement straps with a Roller Buckle are designed specifically for Remote Trainer Receiver Collars and E Collar Systems that utilize a ¾ wide strap. Our sturdy collar replacement strap is crafted from heavy polyurethane coated nylon right here in the U.S.A. and has a Roller buckle. It is the perfect replacement strap for Garmin, SportDOG, Dogtra and Einstein (E-Collar Technologies) e-collars and GPS collars. Fits dogs with necks from 10 inches-25 inches in diameter Easy to get a perfect fit with 30 tightly spaced sizing holes. Measure and cut to desired length. Durable strap has heat sealed holes and ends-will not fray or unravel. Endures the harsh weather-stays flexible in extreme cold or heat; cleans easily with a damp cloth. Our 3/4" strap fits the following collar receivers: Works with: Garmin Delta, Garmin Delta Sport, Dogtra IQ, 330M,302 Element Training Collars, Dogtra D280NCP, D282NCP, D1900.