UPGO Ab Workout Equipment Adjustable Ab Machine Full Body Workout for Home Gym Strength Training Exercise Equipment for Body Shaping Foldable Waist Trainer Suitable for Beginner More Accessible-- UPGO ab machine ensure you exercise with correct posture reducing muscle compensation injuries. More Protective-- UPGO Waist Trainer can better protect your neck and back from extra strain while working out. More Efficient-- ENGAGES UP to 80% of THE BODY MUSCLES. Deeply Stimulate Belly Fat Multiple Difficulty Mode-- 4 Inclined Angles & 5 Adjustable Heights Meet the requirements of different fitness levels allowing you get promoted progressively.