Please note Package: 1 PC (30 * 30 * 1.0 cm) (11.8*11.8*.0394 inch) Very important If you only buy one, you will only receive 1pc (11.8*11.8*.0394 inch), you see the first picture is a lot of pieces of mats stitching model,Many sellers misunderstand,Purchased 1PC, but received the product and the model is not the same,Not satisfied with this product. So this product has made a bad feedback, we are also very sorry.I hope everyone can understand. So if you want to receive the same as the model, you need to choose more different colors and numbers.I hope everyone can understand before buying, thank you for your understanding! Material: EVA plastic foam Weight: 0.04KG / 1 PC Size: 30 * 30 * 1.0 (cm) (11.8*11.8*.0394 inch) Colors: as show Advantages: 1, soundproof, shockproof, waterproof, thermal insulation; 2, laying simple, smooth, surface specific slip resistance; thickness 1CM; 3, the product non-toxic, tasteless,no need to wash,,dried in the sun can be used; Especially for the use of the baby to provide special reassurance; 4, thick products, to prevent the baby playing in the above when the instability when the fall, you can also put the gymnasium pad to do gymnastics use, easy to accommodate. How to use: 1, before use, please disassemble the packaging, placed in a ventilated moment, fully dispersed residual faint smell. 2, please follow the teeth and teeth after assembly, you can do any creative combination (4 side of the mouth to do the connection. Paving simple, flat) 3, under three years old children , please use it with adult. 4, if you need to clean, please wipe with a wet towel, vacuum cleaner, washed Product Usage: widely used, can be used as children's toys, as decorations, non-toxic, tasteless, no need to clean the sun can be used; especially assured; particularly elegant. to prevent the baby playing in the above when sitting instability, can also be done on the indoor gymnastics mats to use, storage convenience. shop on the ground floor do not feel cold, can make carpet, you can temporarily do to bed.