Nirdami Trayah Cork Yoga Block, Slip Resistant, Eco Friendly, Ideal for Yoga or Pilates, Great for Beginners and Advanced Yogis, Perfect for Home or Studio Great durability. Trayah yoga block is extremely durable and isn't going to lose shape or get easily nicked or scratched. Heavy weight for added stability. The weight of the block is just right - it's not too heavy or not too light. Great traction. Our yoga block feels good to move around on the mat, feels solid for when you recline on it. No more stress about which color of the yoga block to get. Cork matches everything! This Yoga Block is 9" long x 6" wide x 3" deep, the perfect size for travel, or for the studio.