Advantages:1.Soundproof, shockproof, waterproof, heat preservation;2.The laying is simple, flat, the surface specific slip resistance; thickne 1CM;3.The product is odorle, can be used without cleaning and drying; especially for the baby to use;4.The extra thick product thickne, to prevent the baby from falling when sitting on the top when playing, can also be pd indoors to do fitne gym mats, easy to store.Product Usage:★ Widely used, it can be used as a children's toy, as an ornament, and can be used without washing and drying; especially rest aured; especially elegant.★ Prevent your baby from falling when sitting on the top while playing. You can also use it indoors to do fitne gymnastics pads, which is convenient for storage.★ Spread on the ground does not feel the cool on the ground, you can make a carpet, you can temporarily do bed to sleep.Notes: 4pcs=2pcs+2pcs (2pcs per color, 4pcs in total) 10pcs=5pcs+5pcs (5pcs per color, 10pcs in total) 20pcs=10pcs+10pcs (10pcs per color, 20pcs in total)Due to transportation reasons, there may be some compreion deformation. If the joint is well spliced and preed occasionally, it will be restored after two days. If you mind, do not take photos