Feature:1. 2 pieces of water polo: There are two combinations to choose from, red + yellow, blue + green.2. Resistant and durable: The outermost layer is Lycra fabric, which is professionally sewn by hand tailoring, which makes our water bouncing ball, durable, high-end and delicate anti-cracking.3. Easy to control: The ball is 5.5cm long and weighs only 83 grams. Its softness and elasticity make it easy to capture and control without hurting your fingers and body.4. Magic water jumping ball: Throw it into the water, the ball will quickly jump to the water, you must grab it.5. Application: Suitable for children aged 6 or older, suitable for pool parties, water sports, beach sports, etc.6. Specification:Material: TPRSize: diameter is 55mm/2.16inch (Approx.)Package List:2 x water jumping ballsHow to play:1. Throw the ball to the surface2. The ball bounces on the water3. The companion has a quick grip on the ballJust throw the ball on the water and it will jump to the surface without sinking into the water.This is also good for young children trying to catch the ball.Another way: hold it in your hand and squeeze it to train your finger for flexibility or reduce stress