Product Material:PU 1.What Benefits You Get? Abdominal trainer for muscle training and body slimming; This muscle trainer can help to tighten and strenghten your muscles, you can gain better body figure after consecutive use of abdominal toner about 2 months. 2.What Effects You Will Have? Use ab toning belt 20 minutes per session (no need to spend a lot of time and sweat), but the effect equals to 2000M running, 30 minutes of sit-ups, 30 minutes of free swimming, 2 weeks of diet. 3.What Features You Count On? Abdominal belt is super light, ultra thin, convenient to carry on, abdominal exerciser can be worn unobtrusively under your clothes; Exercise while reading or doing household chores, or even during business or leisure trips. 4.Easy to Use - This Ultimate ABS Stimulator defaults to 20 minutes and automatically turns off the power after no operation.It's designed with power self-check function. Only when you stick the gel pads to your body, can the controller start working. Color: blue black Size: 19.8*17.6*0.1cm Delivery Quantity: 1 Piece