Yog by Soul Shanti, Yoga Block for Enhanced flexibility, Extreme posture & Insane core strength. One piece, random color aqua/purple. Eco-Friendly, Waterproof, Non-Slip, Nontoxic, 1 Yoga block which is made taking care of the environment, easily recyclable. Comfortable - Soft Surface that provides strong grip, takes care of your soft skin, place either under or hand or lower back for heart opening poses and helps helps you stay focused at the same time. 3 X 6 X 9 SIZE Makes it lightweight and easy to handle, You can carry with you any where as its so durable. High Quality material makes the product everlasting, stays with you and your practice for as long as you want. Facing trouble in stretching tight hamstrings, Use Yoga block for Best results for deep and strong practice.