Soundproof: This set is also shockproof, waterproof, and features heat preservation. Dimensions: 15.5*15.5*0.9cm / 5.91*5.91*0.35in. Weight: 400g. 36 Piece Children's Puzzle Mat: Get a children's puzzle mat set. Versatile: This can be set up in any room ready for your children to play. Design: The laying of the mat is simple, flat, and surface is specifically slip resistant. | 36 Piece Children's Puzzle Mat | Wowcher