Looking to add more challenge to your workouts or just starting out in exercise? The ProsourceFit Balance Trainer is the perfect tool to enhance exercises and engage more muscles. Take squats, lunges, planks and so much more to the next level with this half-balance ball. Feel your core and leg muscles engage in every exercise and workout. Add resistance training into your workout with the detachable resistance bands included through lateral raises, shoulder presses and more. Each band has a resistance level of 15 to 20 pounds. The textured surface of the dome is designed to provide a slip-resistant grip to keep your footing during exercises. The burst-resistant PVC and rubber holds up to 330poundsandallows you to stand, sit and step up on the dome with safety. After workouts, deflate and conveniently store away your balance trainer under the bed, in the closet, garage or gym. With the included air pump, quickly inflate balance trainer back to recommended size before using again.