Aozora Cork Yoga Block | Sustainable & Eco Friendly | 2 Pack and Yoga Strap Set | Made of The Finest Natural Cork for Better Support, Balance & Comfort The perfect size for travel, or for the studio. 2 Pack and yoga Strap Set No more stress about which color of the yoga block to get. Cork matches everything! Great traction. Our yoga block feels good to move around on the mat, feels solid for when you recline on it. Heavy weight for added stability. The weight of the block is just right - it's not too heavy or not too light. Great durability. Trayah yoga block is extremely durable and isn't going to lose shape or get easily nicked or scratched.