Designed with a snap buckle and square buckle. The collar is ¾” wide and is compatible with E Collar Systems where the strap wraps around the receiver Comes with a sturdy D-ring for easy leash attachment Customize the fit for your furry friend by trimming the 21” collar down to size. Carefully place the cut edge under a lighter for a few seconds to prevent the strap from fraying. Made in The USA Sparky Pet Co Double Buckle Nylon Dog Collar is made in the USA and compatible with a variety of ¾” strap E Collar Systems where the strap goes around the receiver. Some of these models include those by PetSafe, Dogtra, Educator, SportDOG and Garmin. It’s available in multiple colors and the size can be customized by cutting the 21-inch strap down to size. It even has 20 holes to ensure you can find the paw-fect fit for your furry friend. Key Benefits comes with a sturdy D-ring for easy leash attachment. Available in a variety of eye-catching and subtle colors. Designed with a snap buckle and square buckle. The collar is ¾” wide and is compatible with E Collar Systems where the strap wraps around the receiver. Customize the fit for your furry friend by trimming the 21” collar down to size. Carefully place the cut edge under a lighter for a few seconds to prevent the strap from fraying.