Our polyurethane-coated collar straps are rugged and waterproof, just like the original collar that came with your Bark Limiter or Delta training devices The 3/4-Inch nylon collar is 27-Inch long, has a nickel-plated square buckle, collar keeper and has holes spaced to fit most dogs Available in 3 colors: black, red and blue (sold separately) 3/4" Nylon Collar