How to Inflate Mylar (Foil) Self-Sealing Balloons for Decoration: 1. Locate the Valve: Find the small valve or opening on the "tail" of the balloon. 2. Attach to Pump/Helium Tank: Slide the opening onto the nozzle of the helium tank or balloon pump until it's snug. 3. Inflate the Balloon: Hold the neck of the balloon firmly around the nozzle and press to release helium or air into the balloon. 4. Self-Sealing: Mylar balloons are self-sealing. Once inflated, remove the nozzle and press the valve flat to seal. 5. Decoration Options: Tie the balloon to a weight to prevent it from floating away or hang it on a wall, garland, or other decorations. How to Make Latex Balloons Float: · Helium Required: Use a helium tank to inflate latex balloons if you want them to float. Package Contains: 1. 23.6inch Oak leaf balloon*2 2. 26.3inch Maple leaf balloon*2 3. 21.2inch Pumpkin balloon*1 4. 25.1inch Acorn Balloon*1