Adding comfort to your child's sitting experience is very important. Special Tomato has used its unmatched technology to create the Special Tomato Liners. These liners offer support and comfort for your child with mild to moderate physical involvement. The liners are made from soft-to-the-touch materials that won't tear or puncture. The outer skin is impermeable fluids and easily wipe clean. Special Tomato Liners are the accessory you have been looking for to ensure the comfort of your child. 8" W x 8" D x 3.5" H