You will need:
- Wide Mouth Bottle
-Knife or Knife
Step 1: Cut the Bottle
Use you knife or saw and cut the top off of the bottle.
Step 2: Cut the Band
Cut the Band that goes around the cap, this will prevent the sharp little nubs on the band from putting holes in the balloon.
Step 3: Trim Balloon
Cut the balloon like I did.
Step 4: Place Balloon Over Cap
Place the balloon over the cap, make sure the balloon goes completely over the cap.
Step 5: Place Rubber Band Over Balloon
Put the rubber band on the balloon, read the notes on the image for some tips.