Our Yoga and Pilates Sitting Block is larger and Thicker than traditional blocks.Sitting Blocks are large Blocks which allow both your sitting bones to fit onto the block at the same time.Therefore allowing you level your posture in Yoga and Pilates postures.Ideal choice if you only want one single block (rather than 2 or more of the standard yoga blocks).Features Chamfered edges to maximum comfort and grip. All Our Blocks & Bricks come Fully cellophane wrapped, to ensure they reach you in a perfect, clean condition. Made from high quality EVA Foam. Size/WeightSize: 320mm x 250mm x 60mmWeight: 450 Grams