Ⅰ. Comfortable Dining Chair Booster Cushion: Made from PU and high density soft sponge, this booster cushion is not easily deformed, wear resistant and washable, is for a long time use Ⅱ. Size: 34 cm x 34 cm x 9.2 cm / 13.39 inch x 13.39 inch x 3.62 inch. The booster seat cushion size fits most dining chairs/high chairs, suitable for toddlers to sit at the table and with their family. It can also be used for children's writing and drawing activities Ⅲ. Stability: The high chair booster cushion comes with straps that can be fixed under the chair or on the backrest to prevent slipping, making it safe for your baby to use Ⅳ. Portable: With its small size and compact design, this booster cushion can be carried around easily, making it suitable for taking your baby on trips to theaters, cinemas, restaurants, etc Ⅴ. Detachable & Washable: This toddlers booster seat cushion comes with a zipper, making it easy to detach and clean Ⅵ. Specification: Material: PU Sponge Ⅶ. Size Chart: 34cmx34cmx9.2cm/13.39inchx13.39inchx3.62inch Ⅷ. Package Includes: 1 Chair Pad Ⅸ. Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item