... wide big size makes this product with multiple functions Key Words of the strength of our baby play mat 1) safety : ... not detected any harzardous materials. Such as 8 kind of heavy metals (Pb, Ba, Cd, Cr) and ... . Once you lay down this on the floor of your cozy house, You will free from headaches ... Children lick and bite this mat, It is ok, Of course safe. Furthermore It is light, harmless, soft, ...