Features: Made from high quality ABS materials, durable and wear-resistance, practical and saving money. FOOT MASSAGE:The wave disc will massage and stimulate meridian points on the bottom of the feet and help promote good health. LOSE WEIGHT:Twist your waist to slimmer abs, hips and thighs. Effectively burns calories and combines the advantage of aerobic exercise with reflexology. DURABLE AND LIGHTWEIGHT: Made of high quality materials, durable to use,lightweight and easy to carry. KEEP HEALTHY: Massage fitness twist a waist dish like a can't move the skateboard, small footprint, easy to use, easy to practice,e ffectively burns calories and combines the advantage of aerobic exercise with reflexology. Specification: Material: ABS Color: Blue,Black,Red Weight: about 394g / 13.9oz Size: about 25*25*3cm / 9.84*9.84*1.18in Package List: 1 * Twisting Machine