Curved to the contours of your body, the egg-shaped block allows advanced students to fine-tune the level of support they need.. Features-. Curved shape for reclining postures and supported backbends. Sustainable, fine grain cork material. Rounded edges for easy grip. Non-slip surface. Made in Europe. Size Dimensions - 31cm x 12cm x 7.5cm. Use and Care-. To clean:. Wipe clean with a damp cloth and let fully dry. If needed, add some mild organic detergent to the cleaning cloth.