Shipping The actual shipment will only take 5-7 days to arrive. Please ignore Amazon's estimated delivery date.Size: 12.6 "* 12.6" * 3.1 "(32 * 32 * 8cm). The booster cushion is intended for toddlers over 2 years old who can sit up without the help of a table. Lightweight and portable: The Baby High Chair Cushion is designed for the time between a high chair and a regular chair, the Simply Good Booster Seat Cushion Booster will attach to virtually any seat. He is light. It weighs only 310g.Detachable and washable: The durable cover can be removed and machine washed. High density sponge, can not be cleaned because the material of the cushion surface is not leather, comfortable to sit on. This booster cushion is designed with a nice pattern and contains anti-slip particles, much more secure.Convenient and safe: This child chair booster cushion with 2 extra strong adjustable straps, it can be easily and securely attached under the chair and it will not slip or slide.Super comfortable child chair booster: This children's dining chair booster cushion will add an 8cm height, perfect for independent toddlers who are just a little small to reach the table.