By combining a proprietary blend of natural rubber and PER (Polymer Environmental Resin) with a unique ribbed design, this eco-friendly mat provides excellent non-slip traction that allows users of all levels and disciplines to maximize their potential and enhance their capabilities. The construction of this premium yoga mat makes for a thick, cushioned mat that is durable yet still lightweight enough to take to class. Features & Details Thick and dense without being heavy Durable for everyday or class use Easily cared for and durable Ribbed material for added traction Made of proprietary Eco-friendly blend of natural rubber and PER (Polymer Environmental Resin) Dense cushion for remarkable comfort and stability Warrenty: This product is backed by a 90-day manufacturer's warranty period