ZMG Adjustable Pet Booster Seat Lookout Car Safety Dog Carrier Leash Belt Pet Ttavel Carrier 100% brand new and high quality One strap around the seatback and one strap around the base of the headrest keep the dog booster seat safely anchored. Most booster seats are made of cardboard and lose their shape quickly. Removable soft liner easily removes for washing. Dimensions are 36cm Wide x 29cmLarge 19cm Deep and easily holds dogs up to 20 lbs Give your dog a better view and keep their hair in one spot.makes dogs feel safe and comfortable.