Quantity: 1 Material: EVA Size :30x15x15cm Color: Black, light green Made of EVA foam, Lightweight, soft to touch, rich elastic buffer Waterproof,anti-slip,non-toxic, tasteless, odorless. The most popular pilates/yoga trainers, can also do children's sporting goods, swim rod. Yoga column can help yoga practitioners to finish the balancing act. Can eliminate muscle tension, and strengthen the core muscle strength and flexibility, stretching the muscles and tendons,lipid-lowering toning. Also can break up the soft tissue adhesions and scar tissue, Self-massage, and myofascial release, break trigger points, relieve tension fascia while increasing blood flow and circulation to the soft tissue.