Shipping: Actual shipping takes only 5-7 days to arrive. Please disregard Amazon's estimated delivery date. Size: 12.6*12.6*3.1 inches (32*32*8cm). This booster cushion is designed for children over 2 years old who can sit at a table unaided. Lightweight & Portable: Designed for the transition between a high chair and a regular chair, this simple booster cushion attaches to virtually any chair. It's lightweight, weighing only 310g. Removable & Washable: The durable cover is removable and machine washable. High-density sponge, cannot be cleaned directly as the cushion surface material is not leather, comfortable to sit on. This booster cushion features a beautiful pattern and non-slip particles for added safety. Practical & Safe: This high chair booster cushion has 2 extra-strong adjustable straps for easy and secure attachment under the chair, preventing slipping or sliding. Super Comfortable: This dining chair booster cushion adds 8cm in height, perfect for independent toddlers who are a little too short to reach the table.