Super Comfortable Toddler Cushion: This toddler cushion made of high-density soft sponge, which increases comfort, not easy to out of shape, fully enough to support an adult, very durable Safety & Non-Slip: This cushion equipped with double straps, can be attached under and behind the chair to ensure stability and prevent slipping when sitting. Adjustable Belt (20''-30'') Detachable & Washable: This cushion adopts a zipper design, independent cover design, easy to disassemble and clean, can be machine-washed Lightweight & Portable: The cushion with compact design, you can take it with you baby to travel, theater, movie theater, bus, restaurant and more Perfect Size: 13.78 x13.78 x 3.94 inch. Perfect sizes fit most occasions, and help children sit at the table to enjoy the food with family comfortably