These balloons are self-sealing, so no heat sealer is required. Can be inflated with a straw, balloon hand pump or electric inflator and you're ready to go! This size will not float with helium and should be inflated with air only. Can be secured with fishing line or ribbon to hang from the ceiling. Add them to existing balloon decor as the center piece or secure them to wall, table or chair. Hang with ribbon, string, fishing line by running it through the tabs on the balloon. Includes 1 peice of ribbon and a straw for inflation.