Leash Boss Dog Car Seat Belt Restraint - No-Chew Heavy Duty Car Seatbelt for Pets - 5 Sizes - Coated Steel Rope to Prevent Chewing CHEW PROOF RESTRAINT - Put your dog in the back seat with a regular nylon seat belt and it can be destroyed in seconds. Not anymore. Our dog seat belt is made out of heavy duty nylon coated steel rope, the same material used in dog tie-outs. LOCKING CLIP ATTACHES TO SAFETY LATCH BAR - Instead of clipping into a regular seatbelt which could be stepped on and accidentally unfastened, our seat belt attaches to one of your car's 4 latch bars, found in the seat creases in your cars back seat. This size includes a locking link for attaching to your car's LATCH bars. ATTACH TO YOUR DOGS HARNESS - Designed for use with a vest harness for added safety for your pet. If using with collar (not recommended) please order a LONGER size due to the higher attachment point. 5 SIZES FOR DIFFERENT PET SIZES - Available in 16, 21, 26, 31 or 36 Inch sizes for Small, Medium, Large, and X-Large dogs. Our 16 inch size features a lighter clips which is less heavy for smaller dogs. ASSEMBLED IN THE USA WITH 5 YEAR MANUFACTURER'S WARRANTY - Your purchase is protected by "The Boss Promise" a 5 year manufacturers warranty that protects against defects and product issues.