| Width | 20.6 |
| Height | 6.3 |
| NetWeight | 1.0 |
| Brand | BOSIDENG |
| International Dual Certification Down | Certified by international RDS (Responsible Down Standard) and Swiss Blue Label, ensuring health, environmental protection, and safety. |
| Warmth | Provides reliable warmth with high-quality down. |
| Fill Power | 680+ FP, indicating excellent loft and insulation. |
| Down Content Cleanliness | 700mm, verified by USAIDFL International Down and Feather Testing Laboratory and German testing reports. |
| Anti-Feather Leakage | Utilizes high-density yarn, anti-feather needles, advanced sewing technology, and weaving craftsmanship to effectively prevent feather leakage during manufacturing. |
| Precision Sewing | Lightweight and feather-proof with fine needle holes; up to 13 stitches per 3 cm (excluding elastic lining). |
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| Fabric Protection |
| High-temperature treatment to protect fabric integrity. |
| Model Reference | 1876 (specific model or color code). |