[SIZE DIMENSION: This dog car seat\s size is 19" x 23" x19" which is suitable for most small and medium dogs 15-40 lbs. We recommend this booster car seat for dogs below 40 pounds. Wonderful size universal fits for most standard cars trucks and SUVs. Use this to travel anywhere with your Furry Pals! "100% SAFE DRIVING: We have integrated particularly 2 buckles and a seat anchor ensuring that the seats will not move randomly. Our bucket-shaped design prevents your dog from being injured by braking and turning. The leash is connected by the seat belt buckle again maximizing your pets comfort and safety. Just focus on driving!" "EASY TO INSTALL: Firstly tuck the seat anchor into the gap. Secondly fasten the buckles around your car headrests. Finally connect the dog leash to the seat belt buckle. It wont take you more than a minute to install the car seat so that you can travel with your pets more easily." BIG POCKET & COMFORTABLE: A large storage pocket is in the front of the car seat cover. It can storage dog supplies leashes toys and other small items. Say goodbye to the mess! Our pet car booster seat also features quilted surface and PP cotton which offer complete comfort for your best friend! WATERPROOF & NONSLIP: This booster seat is made of 600D Oxford PVC which can protect your car seat from liquid or moisture. No more scratches hair or other dirt on your car seats. Built-in non-slip dot back surface and seat anchor prevent the seat cover from sliding around.]