18 inch birthday letters

Material:
High-quality aluminum film. Please note that this product is a cross-border high-quality aluminum film balloon, not the ordinary plastic balloons sold by street vendors. All products are exported with quality. All contain automatic sealing.
Automatic Sealing: Easy to blow, convenient to seal, can be used repeatedly.
Product Usage:
Widely used for wedding and wedding ceremony decorations, party celebration decorations, children's toys, etc., this party celebration ideal decoration balloon can enhance the festive effect even more when combined with other balloons. This product can be used for corporate promotion, business product promotion, and decoration in KTV/bar.
Product Features:
1: The material is aluminum film, the sphere has a metallic luster, uniform color, and beautiful spherical shape.
2: It can be reused, and it's convenient to charge and deflate. Don't throw it away after using it once!
3: After the balloon is inflated, flatten the opening and the adhesive on the opening will automatically seal the opening!