This product strengthens your muscles through resistance: you progressively and effectively control your movement and posture. Go for the high resistance if you are an advanced user or if you want to mainly work your lower body. Challenge yourself and do an extra 20 shoulder bridge reps. Versatility: Just one accessory for working on many muscle groups. Compact design: Lightweight and practical, a toning accessory that can be stored anywhere. Ergonomic Grip: Foam handles for a more comfortable grip. Size H6cm, W18cm, D20cm. Weight 0.4kg. Manufacturer’s 1 year guarantee. EAN: 3608419036886.