CollarSafe "NYLON" Replacement Collar FITS Petsafe Stay & Play,Sonic Bark,Yard & Park Remote Trainer,Pawz Away,SportDog YardTrainer,SportDog NoBark (WEAVES around Module-SEE PHOTOS) CollarSafe Soft NYLON Replacement Collars are thicker and softer than our Basic replacement collars FITS most (not all) chargeable receiver modules that require a 3/4 inch strap that "WEAVES" around receiver module (no holes-SEE PHOTOS) FITS models: PIF00-12917, PIF00-12918, PDT00-12470, FR-200P, PUSB-300, RFA-377, RFA-416, RFA-417, 300M, PIG00-11115, PIF00-13652, SDT00-14188, FT-250, FR-250, FR-200P, SD-350 & many others Width: 3/4 inch - Length: Adusts up to 30" neck (EASILY customizable shorter by customer-see included instructions) - Thickness: Approximately .071" or 1.80mm Tensile Strength: 3,000 lbs - For the safety of your pet, there are NO METAL "D" rings or any metal at all on these collars (these are NOT traditional dog collars and not to be used with a leash, metal may also interfere with radio signals) Custom Designed and MADE in USA by Collar-Safe (minimal or no retail packaging) - ALL items ship same/next business day FREE First Class USPS with tracking - NO Minimum Purchase Requirements (Priority upgrade available upon checkout)