Material:Polypropylene Size : Length:37-62cm ,Width:1.5cm Package include: 1pc Dog Car Seat Belt Feature: 1. Well Made and Perfect Details --- The lockable quick release buckle of this seat belt is sturdy and the hardware is all metal while the straps are made of durable nylon. 2. Keeping Safe and Comfortable --- The dog accessory helps to ensure the safety of your pet and prevent you from distracting when driving. It allows your dog to sit, stand, lie down comfortably or reach to see out the window but keep the dogs from jumping around in the car. Easily to fasten it onto the dog harness via the 360 degree rotation metal buckle. 3. Adjustable Length - Good adjustable length so the dogs can get themselves comfy without restricting themselves. 4 .Adjustable, elastic design, effective buffer, reduce unnecessary injuries, better protection of pets 5.Double-headed design, you can operate two pets at the same time The lockable quick release buckle of this seat belt is sturdy and the hardware is all metal while the straps are made of durable nylon. The dog accessory helps to ensure the safety of your pet and prevent you from distracting when driving. It allows your dog to sit, stand, lie down comfortably or reach to see out the window but keep the dogs from jumping around in the car. Easily to fasten it onto the dog harness via the 360 degree rotation metal buckle. Good adjustable length so the dogs can get themselves comfy without restricting themselves.