Made of sustainable cork, this high quality yoga block is very firm, more dense, and heavier than foam blocks. The density and weight of the Cork Block allow you to feel secure and supported.From balancing postures, to stretching, to supported back bends, a block can allow you to reach further, go a little deeper into your postures, and support you throughout your practice.Crafted in China.Features -. 1kg; 23cm x 15cm x 10cm. Sustainable, natural, fine-grain cork material. High density and firmness. Resilient solid structure. Easy-to-grip textured surface. Comfortable contoured edges. Info & Care - To Clean: Wipe clean with a damp cloth. If needed, use an organic cleaning solution with no harsh chemicals.