Birthday Balloon Set Aluminum film balloons

▸ Material composition: aluminum film balloon (silver coating)
▸ Balloon size: single ball diameter 18 inches
▸ Set components: Alphabet Balloon ×12 | Latex Balloon × 30 | Pump
▸ Process characteristics: double-sided laminated
anti-oxidation treatment▸ Safety standard: Complies with ASTM F963-17