Garmin 3/4 in. Dog Collar Strap Red. This replacement strap by Garmin is a polyurethane-coated collar straps are rugged and waterproof just like the original collar that came with your BarkLimiter or Delta training devices. The 3/4" nylon collar is 27" long has a nickel-plated square buckle collar keeper and has holes spaced to fit most dogs. The Garmin 3/4" Collar Strap is available in multiple colors (sold separately). Specifications for Garmin 3/4 in. Dog Collar Strap: Manufacturer: Garmin Size: 0.75 in Additional Features: Square Buckle Package Contents: Garmin 3/4 in. Dog Collar Strap Garmin 010-11870-02: 3/4 in. Dog Collar Strap Red