This half balance ball is such a fun way to mix up your workouts! The unstable surface forces your core muscles to work overtime to keep you balanced - you'll feel it in your abs, legs, everywhere really. It comes with two resistance bands that have comfortable foam handles, so you can add upper body work to your balance exercises. The package includes everything you need - the ball itself, a pump to inflate it, the resistance bands, and even a workout manual with exercise ideas. The non-slip base and textured surface keep it securely in place during exercises. I've used it for everything from planks and push-ups to squats and lunges - each exercise feels completely different on the unstable surface. The PVC material is eco-friendly and non-toxic, and it inflates surprisingly easily. It's perfect for home workouts since it doesn't take up much space when deflated. Whether you're a fitness beginner or advanced, this balance trainer adds challenge to any routine and seriously improves your stability and coordination over time.