High-quality material the waist twister is made of high-quality thickened ABS material, which is safe, stable, very durable, high-strength, and load-bearingMultifunctionalYou can use these waist twisters to get a flatter stomach, firmer butt, slimmer waist, slimmer belly, buttocks and thighs, anyone can exercise, dance and watch TV at homeNon-slip surfaceThese compact core twisters are safe and non-slip, with a non-slip surface balanced with double-sided protection for an ergonomic design that maintains stability while keeping movement in mindQuiet and portable Twisting exercise equipment is noiseless, compact and lightweight, easier to store and manage than treadmills, exercise bikes or elliptical machinesWide applicationThis Ab compact core torsion board helps to exercise and promote body circulation, suitable for various sports including hands and feet, such as yoga, Pilates, dance, etc.Specification:Material: ABS+steel ball+magnetPacking method: boxedSize: 35.5*27cmPackage size: 37*28*6cmPackage weight: 960gPackage accessories: 1*Household waist twister