Custom mylar balloons and foil balloons in standard shapes, numbers, letters, and custom die-cut designs. BOPP/nylon film with metallic coating, heat transfer printing, and self-sealing valves. Float time 3–7 days.

Premium events, retail number/letter packs, corporate branding, birthday and anniversary celebrations, graduation, and seasonal retail programs
| Material | BOPP or nylon film with vacuum-deposited metallic layer |
|---|---|
| Sizes | 18" round, heart, star; 16" and 32" numbers and letters; custom die-cut shapes |
| Printing | Heat transfer or pre-printed film lamination; full-color |
| Finishes | Standard metallic, matte metallic, holographic, and custom printed |
| Float time | 3–7 days with helium; self-sealing valve for re-inflation |
| MOQ | From 2,000–5,000 pcs for standard shapes; 5,000–10,000 for custom die-cut |
| Sample lead time | 10–14 days after artwork approval |
| Bulk lead time | 25–35 days depending on shape and quantity |
| Packaging | Individual polybag, retail header card, or printed box |
| Compliance | EN71, ASTM F963 test reports on request |
Mylar is a DuPont brand name for polyester film, but in the balloon industry the terms are used interchangeably. Most Chinese factories use BOPP (biaxially oriented polypropylene), not true Mylar brand polyester.
Yes. Custom die-cut shapes require a cutting die (tooling cost approximately $100–300) and MOQ typically 5,000–10,000 pieces. Any shape can be produced — send a reference image for feasibility review.
3–7 days with helium, significantly longer than latex (8–12 hours). Foil balloons can be deflated using a straw in the valve and re-inflated multiple times.
Foil balloons are not biodegradable and are not accepted in most curbside recycling programs. They are a plastic product. For buyers with sustainability requirements, latex balloons are the biodegradable alternative.
Send your specifications, quantity, and target market. We'll prepare a detailed quotation with sampling options.