This product is either discontinued or we cannot get that from suppliers.
GARMIN 1" Collar Strap 010-11892-08, Yellow, Rugged and waterproof, Nickel plated square buckle, Collar strap 68.5cm long.
This polyurethane-coated 1" collar is rugged and waterproof, just like the original collar that came with your T5 Alpha 100 Collar. It is 68.5cm long, and the nylon collar has a nickel plated square buckle and collar keeper and has holes spaced to fit most dogs.