rainbow-4d-balloons-6pcs-18-inch-mylar-foil-balloons-round-for-birthday-bridal-shower

Material: These large 4D balloons are made of good quality aluminum foil, make the surface bright present like mirror reflect.
Size: Each foil round balloons is about 18″ Before Inflation, 13.7″ After Inflation, 6 packs will enough meet your different themed party decoration needs.
Floating: You need helium for floating round foil balloons. Just fill 80% of the balloon¡¯s space that could allow the balloon to expand completely. Pls Keep Away from Fire.
Self-sealing: The foil sphere aluminum foil balloon could self seal after inflate,without extra operating. Make air out when not use, then you can reuse it many times.
Party Decor: Beautiful 4d foil balloons in bright color to make your party most memorable, which is perfect decorations in birthday, Christmas, wedding, graduation or other party.