【PERFECT FIT and MATCH】It fits most of dog training collar brands: PATPET Garmin Delta Dogtra SportDOG Petsafe PetSpy Petrainer and more. These hi flex 3/4 inches x 28 inches collar straps fit small, medium and large dogs. Metal buckle and D ring with 35 adjustment holes. Cut to size for custom fit. | 【WATERPROOF and ODORLESS and EASY CLEAN】The collar is completely odorless and waterproof.If the collar gets wet or dirty, you can make it as good as a new one by wipe it with a cloth or paper towel. | 【UPDATE MATERIAL for PVC/NYLON】We used Nylon coated with the NEW TPU which is resin but plastic exactly. It keeps its flexibility in cold weather (remains soft & flexible to -30 degrees F) and is more durable than rubber or plastic.It's an alternative upgrade material for PVC/Nylon. Advantage to Nylon: Waterproof and easy clean, softer and more comfort, more durable. Advantage to PVC: Odorless, 100% environmental protection, tens of times durable that of PVC, resistance to oils and abrasion. | 【REFLECTIVE CLOTH STRIPE】High visibility reflective cloth stripe offers added safety and visibility during evening or early morning walks. Give your dogs more safety. | 【MONEY BACK GUARANTEE】No matter you and your dog not like this dog collar, no problem, get your money back or instead to a new one!