1. Functional:SIZE:21.65''x19.68''x13.2'', Suitable for small and medium pets up to 30 lbs. Give your dog a better view, safe space. There are storage pockets on both sides of dog safety car seat. You can store pet daily necessities to save space. Protects the car seat from pet hair, dander or claw marks. It also can be used as a dog sofa or dog bed at home for all season. 2. Material:Kosgoo dog booster seat for small dog is made of Durable Oxford fabric, the stitching is firm and durable. The Internal filled with environmental protection PP cotton, soft and cool. More comfortable sleeping surface for your dog and also better for protecting your pet's joints. 3. Easy to Install:It can be installed on front seat or back seat. Two safety belts with adjustable buckle can be easily tied on the car seat tightly. Our small dog car seat have Non-Slip bottom design which prevents sliding on the car seat. It's fits for kinds of the car types. Fully Detachable and Washable:Different from other car seat for dogs or travel dog car bed, dog car carrier, ours is built in sliding zippers, and the filling is packed in separate bags, which is easy to take out the filling from the travel small dog car seat. You can easily throw the problem completely to the washing machine. 4. MORE SAFETY:The adjustable dog safety leash in the medium pet car seat can restrain your dog within the scope of the dog car seat. You don’t worry about the dog disturbing you while you are driving. If you like to take your pets on car trips and go out for picnics, Kosgoo car pet nest is also an excellent choice!