3in1Made of high quality Polyurethane(PU) material,close to your skin,good touching feeling and non-toxic. A physical workout device for enhancing your muscles,make you can good body shape without even liftinga finger. Using advanced technology, scientifically exercising your muscles will not harm your body. According to suitable power and speed on body by low frequency,which make a rhythm and sort impetuson body. Choice 6 modes,and it will get off power automatically after 12 minutes from stop when you forget power off. Adhesive gel pad,if you feel uncomfortable when training,you can use wet towel to clean dirty side for regainingpasting again at moment.