Color: green aventurine 1 crystal jade gua sha stone board has a history of more 1000 years were used to promote circulation and integrate natural energy from the jade stone. Made of polished natural jade crystal roller smooth touch feeling and never hurt your skin will relax your body from long time working and driving your muscle from high-strength fitness or exercise. It also could use on your face neck back arms legs anywhere that need to massage/ stretch and relax. Gua sha stone are lightweight and easy to carry so you can give your skin a relaxing massage whenever and wherever. You can slip it inside a small bag that you can carry with you while you travel or go outdoors