SPORX Fabric Loop Resistance Bands solves the problem of traditional bands rolling up your legs, knees or ankles as you move. Made of soft cotton and spandex, the thick and durable fitness bands have an anti-slip interior so you can focus on shaping your body. Perform lunges, squats, step ups or hip bridges with ultimate comfort and stability. Suitable for all fitness levels, the workout bands has 3 resistance levels so you can create the training right for you. You can choose one level to start but we recommed you to buy all three sizes together to feel the differnece. Bring your leg, butt and hip workout with you to the office or while traveling in the convenient waterproof carrying case. It also doubles as an easy storage option for the home, fitting in drawers or cabinets taking up minimal space