Yeske Oversize, Thick Yoga mat. Extra Wide and Long 78" X 30" X 5/16 Thick (8mm). Extra Thick Mat Nonslip TPE Material. with Alignment Lines for Reference. Extra Wide (30") and Long (78") Yoga Mat Extra thick yoga mat made with nonslip TPE Material (8mm or 5/16") Non-slip texture on both sides of mat. Printed Alignment Lines. Lightweight at 3.9 pounds High Density mat helps keep balance during any exercise style. Mat is moisture resistance and can be cleaned with soap and water