Exlusive Material The toddler booster seat for dining table made of high quality PU synthetic leather and soft high-density memory foam, so kids booster cushion is very sturdy and not squashy. It can hold enough weight to make your baby without sinking down,so that they can enjoy the meal comfortably. And babies won't feel different from other people on the table because of their height Safety & Installation The portable booster seat measures 12.4 x 12.4 x 3.35 inches. There are 2 adjustable straps under the child booster seat to prevent the booster cushion from sliding forward or left or right. Double protection for children's feeding safety. The extend length of two adjustable seat belts is 18 inch-28 inch,so it is suitable for most dining chairs Easy to Clean Toddler booster seat adopts a zipper design, which can separate the PU surface from the sponge inside for easy cleaning.