Environmentally friendly materials. The yoga brick is made of high EVA foam. It can withstand a pressure of 100 kg without any traces or scratches after a heavy-duty grip. Each brick weighs 0.45 pounds (approximately 200 grams), which is higher than normal. Elaborate design and edge shape provide better non-slip grip Suitable for beginners and experienced athletes, suitable for indoor or outdoor use. Use under your head, legs or pillars to support or change your posture Yoga bricks are easy to clean with water or any washing substances Highly durable materials will ensure you can use for up to 5 years or more