HemingWeigh Cork Yoga Block Cork Yoga Blocks provide Great Support and Enhanced Stability for your workout Allows you to strech and maximize your Yoga Poses by giving you the extra height when the pose calls for reaching the floor. Improves strength, balance, and alignment - By providing a heavy, firm and comfortable surface 100% Eco-Friendly, made without any toxic chemicals produced in their harvesting. Large enough to sit comfortably on - Great for meditation and lyengar yoga