Open the water balloons and put it into the water, it will quick fill with water and self sealing. It only takes a few seconds to close then you can throw it directly. Our water toys for kids are soft enough for play battles since they are made of Silica gel. Water games Splash the competition with these active colorful water splash balls that are reusable water balloons over and over unlike water balloons. Unlike the traditional disposable water balloons, it can be reused without polluting the environment. You just need to dry them then put them away. Great for kids indoor and outdoor water toys! These water balls with strong water absorption are suitable for water fight games, easy to storage and won't mess up your yard. Specifications Colour Name Multicolour