Romantic Heart Balloon

Aluminum foil material, can be used repeatedly, easy to fill and deflate, not throw it away after one use, inflatable. Put ball outlet pinch flat and ball mouth comes with automatically sealing glue, can float up with air, red hydrogen or helium, when filling with hydrogen, you must be away from the fire source, Helium is inert gas, the cost is high, but it is safe. Use a medium width drinking straw and insert it into the self-sealing valve of the balloon.