Reliable Backup for Outdoor Play: The PetSafe 3/4" Rust Replacement Collar Strap is a backup collar strap that helps ensure your dog never misses playtime in the yard Comfortable & Adjustable Fit: Made from rugged nylon, this collar with no holes adjusts to fit neck sizes from 6 to 28 inches and features a secure quick-snap buckle Broad Collar Compatibility: This dog fence collar strap is compatible with Pawz Away collars, bark control devices, and PetSafe in-ground and wireless fence systems 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families