Harbinger Recyclable Foam Eco Fit Exercise Mat 3/8-Inch Exercise mat made of 100-percent recyclable Eco-foam Closed-cell foam is 25 percent lighter than traditional foam Dual-layer design, with nonskid bottom layer and patterned top layer Wipes down quickly for cleaning; removable strap for storage and transport Warm and comfortable to the touch; measures 72 x 24 inches