TRANSFORM YOUR BODY – Full Gym in Your Hands, with up to 25 lbs. of Resistance, yet only weighs 2lbs and folds up to go anywhere. Targets Chest, Back, Arms, Core, Abs and Legs. Ideal for beginner to intermediate strength training and cardio, and those needing to work around injuries or rehab joints and muscles. Get fit anywhere – Home, Office and Travel.NASA SPIRAFLEX TECHNOLOGY REPLACES WEIGHTS: The OYO Gym’s SpiraFlex resistance technology has been used for over 10 years on the International Space Station to keep astronauts fit. A NASA ground study proved SpiraFlex increased muscle growth as much as using free-weights.SPIRAFLEX FEELS LIKE FREE-WEIGHT RESISTANCE: Snap-on 5 and 10 lb. SpiraFlex FlexPacks for up to maximum of 25 lbs. of smooth resistance through the full range of motion, in all planes of movement.GET LEAN & FIT FAST: SpiraFlex Builds Lean Muscle, which Burns Fat, even at rest. Patented DoubleFlex activation provides resistance to opposing muscle groups, Building a Balanced Body in less time. OYO Fitness Director Nick Bolton has created over 60 Free Workout Video Programs, including; Strength Training, Cardio, HIIT, Yoga, Pilates, Walking and Pump & Pedal.3 YEAR WARRANTY: Your OYO Gym is Built to Last, with advanced lightweight polymer construction, stainless steel cables and life cycle tested FlexPacks. Includes (1) 5 lb. and (2) 10 lb. FlexPacks, Leg & Door Attachments & Free Access to over 60 Workout and 197 Exercise Videos and Nutrition Guide.