Get in shape for swimsuit season with a little help from the Prism Fitness 10 Pound Weighted Fitness Smart Medicine Ball. This exercise ball has a dense core that provides 10 pounds of weight in a small package, letting you get better results out of every sit-up, squat, and plank.The home gym medicine ball features a thick rubber shell that protect the ball against drops and overhandling. A textured surface provides a comfortable place to grip onto and features 8 exercises printed on it to keep you on track.Whether you're looking to start pilates, try a variation on kettlebell training, or just add some spice to your yoga, the 10-pound core toning and fitness ball is a great place to start getting fit.