Main material: environmental engineering plastics, non-toxic, tasteless, environmental protection material, product color: orange, green, purple, purple, green, blue and red, size: 80 * 60 * 48 gross weight (including packaging) : 4.5 KG portable operation, easy installation, environmental protection materials, food-grade plastic, non-toxic tasteless, bearing force, scientific bearing design, accord with human body engineering, humanized design, surface is smooth and does not hurt the hand washable, easy to clean