Elongated Slim Profile for Delicate Pendant Display

This sustainable gift packaging features a slender rectangular footprint measuring approximately 180mm × 65mm × 20mm, specifically engineered to accommodate commemorative coin charms suspended on decorative cords or chains. The elongated proportions prevent tangling of braided silk tassels or beaded elements commonly attached to cultural pendants, while the shallow depth profile maintains a refined silhouette suitable for premium gift presentation. Four corner radii measuring 8mm reduce sharp edges that could snag delicate fiber cords, and the base cavity incorporates a centered recessed channel—4mm deep and 12mm wide—that secures the charm's circular medallion without compressing ornamental knots or jade accent beads threaded above.

Anti-Tarnish Fiber Matrix Protecting Metallic Surfaces

Crafted through wet-pressing bagasse pulp with pH-balanced additives, this molded pulp commemorative coin charm packaging creates a chemically neutral environment that inhibits oxidation of brass, copper alloy, and silver-plated surfaces. Traditional cardboard boxes often contain lignin and sulfur compounds that accelerate tarnishing, but this formulation substitutes those with calcium carbonate buffers, maintaining a pH range of 7.0–7.5 throughout the packaging's lifespan. The interior surface density of 0.85 g/cm³ achieves a smooth finish that prevents micro-abrasions on engraved imperial seals or zodiac motifs, while the fiber's inherent moisture-regulating properties maintain 45–55% relative humidity—the optimal range for preventing both corrosion and desiccation of organic cord materials.

Cultural Symbolism Through Color and Surface Treatment

The vermilion exterior of this biodegradable gift box for charm employs iron oxide earth pigments blended during pulp formation rather than applied post-production, ensuring color permanence without toxic heavy metal dyes. Gold foil stamping on the lid surface—applied via hot-press technique at 120°C—features auspicious calligraphy measuring 18mm in height for legible elegance, conveying traditional blessings of eternal fortune and prosperity. Blind embossing along the perimeter creates a subtle geometric border of interlocking fretwork patterns that add tactile dimension without interfering with the central artwork. This deliberate combination of red substrate and gilded typography mirrors the aesthetic language of traditional lacquerware gift boxes, yet the entire structure biodegrades within 60 days when composted, allowing ceremonial gifting traditions to coexist with modern environmental stewardship.