The magnetic reusable water balloons are high quality quick fill water balloons for kids' outdoor water activities. Designed for hours of continuous active play, they can be refilled endless reused. It will help you to save lots of money and promote a sustainable environment. Each reusable water bomb grenade is round shape silicone ball with magnet closure that make the water balloons self-sealing if they are sank in the water. The reusable water balloons are durable and easy to use rapid refill and not leak. The water outside toys are durable and reusable, with a unique design for kids' outdoor water activities.