Get ready for some seriously fun exercise with these PATIKIL wrist balls! Each set comes with two 2.5-inch rubber balls attached to adjustable wrist straps with 31.5-inch cords. The concept is simple but incredibly effective - you secure the ball to your wrist, throw it, and it comes bouncing back to you thanks to the elastic cord. Made from soft, comfortable rubber material, these balls are wear-resistant and maintain their elasticity through repeated use. The adjustable wrist straps ensure a secure fit for different hand sizes, and the balls are easy to grip for users of various ages. They're perfect for improving hand-eye coordination, reflexes, and getting some active play time in. Great for solo practice or competitive games with friends and family. The mixed fluorescent colors are bright and fun, making them easy to track during play. Whether you're using them for sports training, coordination exercises, or just having fun in the backyard, these wrist balls provide endless entertainment. They're lightweight and portable too, so you can take them to the park, beach, or use them indoors in a spacious area. Perfect for birthday parties, team activities, parent-child games, or family gatherings where you want to get everyone moving and having fun. Just make sure to secure the wristband properly before playing to prevent the ball from slipping off during use. It's amazing how much fun and exercise you can get from such a simple concept!