• [Lightweight Pump Bottle] Our water balloon pump filler features a lightweight pump bottle with 250 small water balloons for easy filling. • [Easy to Use] Pump 9 times to increase pressure, then ... simply pull the trigger to fill the balloon with water or air. • [Enjoy Water Balloon Fight] Just tie a knot at the top and enjoy a soaking water balloon fight with your friends and family. • [Easy to Store and Carry] When the balloon is not in use, it can be stored in the inflatable bottle, which is convenient for the next use. • [Large-Capacity Storage Kettle] The pump kettle can hold 1500ml of water, which is easy to carry and meets the needs of outdoor water fights in the garden or party decorations.