The Water Wubble Refillable Reusable Water Balloons Balls 6 Pack is a fun and eco-friendly outdoor toy perfect for summer activities. These multicolored waterballoon balls from NSI are designed to be filled with water for a splashing good time. The refillable and reusable feature makes them a great value for endless hours of outdoor fun. Get your kids ready for a water balloon fight with these durable and vibrant water balloons.