This product adjustable buckle design, puppy car seat put the PP cotton into the bag one by one, the pet booster seat for car can be installed easily, fix the buckle on the seat floor top and backrest, adjust the length of the strap to fix it, you can put it in the front seat or the back seat according to your needs, And it fits most kinds of car seats and car types. Small Dogs Car Seat has two large storage bags on both sides of the kennel, which can store pet daily necessities and toys, which is very convenient and saves space. The cushion is double-sided. One side is fluff, the other side is Oxford cloth, dog booster seat is very suitable for four seasons .