These 5 Lines Low Burn grip high impact foam mats are made from EVA memory foam. The mats are waterproof and easily wipeable. These red/blue reversible mats are 1m x 1m x 40mm, they come with edges and tessellate together just like a jigsaw puzzle. Mat sections can be flipped to create colour zones and are easily swapped out or flipped if damaged. These hard wearing mats if cared for correctly will last a lifetime.