Gun-ex Double Trainer HANDS FREE FULL BODY TRAINER FOR EVERYONEUnique Hands Free Resistance piece of equipment providing full body workout to improve your strength, coordination, mobility and flexibility. It provides resistance to your every move, be it upper body, legs or core. Features: DOUBLE TRAINER™ is for everybody. You can train at Home, garden, garage, park, gym or anywhere you go. DOUBLE TRAINER™ weights only 1kg (2.2lbs) and has a size of a sneaker. Improve your coordination and build up core, upper body and lower body strength Resistance:1 resistance band generates equivalent of 10kg/22lbs force at maximum length.Two resistance bands allow you to add or subtract resistance and adjust your workout difficulty to fit your needs Small & lightweight:Weights only 1kg (2.2lbs) and has a size of your sneakers.DOUBLE TRAINER™ includes 2 resistance bands, Hands Free cuffs that can be attached to your Wrists or Ankles.Door Anchor can be locked inside door frames or wrapp