Cathe yoga foam block bricks are lightweight and are made from premium EVA foam that has a non-slip surface. Each Cathe yoga brick measures about 9 in x 6 in x 4 in and has beveled edges that make it easier to grip. Yoga blocks can aid you in your Yoga practice to deepen your stretches and help you with proper alignment during poses where your skill or flexibility may be lacking. Cathe yoga foam block brings the floor to you helping you to stay in the posture longer and more comfortably. They are also helpful for beginners in assisting them in learning new moves. Cathe yoga foam blocks are also easy to clean. Just use a mild detergent and a damp cloth and let dry before storing.