Combo Pack includes: (2) Kaos Tie-Not Water Balloon Filling Sets with 50 balloons(1) package 250 biodegradable Kaos latex Water Balloons with two faucet fillers.How to use the tool:1. Start by filling balloon and looping over the top. 2. While holding neck of balloon (make sure neck of balloon is under tool), proceed to spin tool counter-clockwise in a full circle (360°). 3. Slide end of balloon through slot until the end is resting in recessed slot. 4. Quickly pull tool and balloon in opposite directions