Strauss Yoga Block (Black) and Yoga Block (Black) Made of high-density and sturdy PV foam for long-lasting durability Featuring beveled edges for soft, firm and easy griping, lightweight and non-slip even sweat Make difficult yoga poses accessible to beginners and those with injuries or physical limitations Moisture-proof to avoid growing bacteria. cleans easily with a little soap or detergent to wash away the odors Easy to travel, perfect for at home use and in the studio.Pack of 2