... .Superbly suited for both home and gym use. Exercise mat made of NBR close-cell foam,eco- friendly,durable ... the floor,easy to carry to anywhere you want,easy to clean with water,ideal for yoga exercise,sun ... ester free test by SGS.6)The sports mat is particularly soft and non-slip,sweat-resistant ... sunshine exposure for long time to prevent mat become stiff after heat-up. NBR Exercise Mat(SGS Approved)