Cindary Cork Yoga Block,2 Pack Yoga Bricks to Muscle Stretch Deepen Poses for Fitness Gym - B07T1NTGSH Durable - Made from high-density cork material, Scratch-proof,long-lasting durability. Non-Slip - Our yoga block can help your body to keep balance, making you feel stable. Sweat-Absorbent and Breathable - Cork oak layer, with a wooden air bag structure, non-absorbent and moisture-proof, kee..