Type of sports : Strength Training feature1 : Sit-up Assist feature2 : Abdomen Exerciser feature3 : Portable Crunches Aid feature4 : Belly Fitness Device feature5 : Sit-up Device Description The product used healthy natural materials, thick suction cups, strong suction, safer, and more stable. It owns multiple functions that can help you roll up the abdomen, lift, kick, sit down and so on. Add design, and comfortable. That is ergonomic design, healthy and install and use.  Features -Material: steel, foam, rubber -Size: 55.00X25.00X3.00cm/21.61X9.82X1.18in   - We largen the suction cups, so it is stable and not easy to fall off. - Very practical for storage and transport anywhere, for home fitness.  - It can be used for push ups, sit-ups, stretching the back, pressing the abdomen and toning the entire body muscles, and so on. - With fine workmanship, not easy to wear and tear, very practical in use. - Easy to use, easy to lose weight without leaving home. 1 x Sit Up Bar