Material: Aluminum foil

Can fly, need to fill with Helium (can fly within 6-12 hours after filling)

Can be used repeatedly, comes with adhesive automatic sealing . Do not inflate the balloons too much because aluminium foil does not have any elasticity. In case the balloons break, use transparent glue to stick the balloons together

Ready size 25cm, 45cm, 60cm, 75cm