Features. Thickest and most durable foam mat that offers superb comfort and support. Impervious to water, lightweight. Dual surface, one smooth, one ribbed, suitable for a variety of fitness needs. Made with NBR closedcell foam, free of latex and phthalatesSpecifications. Color Blue. Size 0.62 x 23 x 72 in.. Origin China. Material NBR PVC Closedcell Foam. Latex No. Phthalates No. Weight 3 lbs