... , solid ribbon overlock, accomplish truly every detail is impeccable! Different from the ordinary aluminum film formation ... our baby play mat 1) safety : It is safe That's why our all mats have enough thickness ... slide or crawl on the mat, it must be safe. 2) Environment-friendly : Well-being & Living ... lick and bite this mat, It is ok, Of course safe.Furthermore It is light, harmless, soft, and fluffy ...