Product Overview
Bincai’s double-deck velvet earring display box is engineered for jewelry retailers who need high-density stud and earring presentation. The hinged top deck holds 12 pairs of stud earrings on elastic straps over a velvet bed, while the lower compartment stores an additional 12 pairs or larger drop earrings. A polished mirror insert on the inside lid lets customers try earrings at the counter. 22 years of precision box manufacturing.
Manufacturing Specifications
- Press: KBA 1050 4-color offset — precise registration for branded exteriors
- Board: 2.0mm greyboard core for structural rigidity
- Interior: 2mm velvet flocking with elastic stud retention straps
- Tray: Removable EVA foam tray with 12 pre-cut stud slots
- Mirror: 1.5mm polished glass mirror, full lid coverage
- Closure: Magnetic flap with reinforced hinge
- Daily Output: 220,000+ gift boxes (post-2025 smart factory expansion)
- Certifications: ISO 9001:2015, FSC Chain-of-Custody
Customization Options
| Option | Available Choices |
|---|
| Size Range | 180×130×45mm to 280×200×65mm |
| Stud Capacity | 12-pair, 24-pair, 36-pair, 48-pair |
| Exterior Material | 157gsm/250gsm art paper, leatherette, linen |
| Print Method | CMYK offset, Pantone spot, hot foil stamping, blind embossing |
| Velvet Colors | 20+ color options for interior flocking |
| Tray Material | EVA foam (standard), moulded velvet, flocked plastic |
| Additional Features | LED spotlight strip, branded ribbon pull, RFID tag slot |
| MOQ | 500 units (standard), 1,000+ (custom tray tooling) |
Industry Applications
| Retail Type | Configuration | Key Feature |
|---|
| Jewelry Store Counter | 24-pair double deck | Customer self-browse + mirror |
| E-Commerce Fulfillment | 12-pair single deck | Compact shipping profile |
| Wholesale Showroom | 48-pair max capacity | Full collection display |
| Travel Retail | 12-pair slim profile | Airport-friendly format |
Production Quality
|| Test | Standard | Specification |
||—|—|—|
|| Lid Alignment | Internal | Gap ≤1.0mm |
|| Mirror Bond | Internal | ≥3.0 N/cm² adhesive peel |
|| Elastic Retention | Internal | Stud hold at 60° tilt |
|| Print Registration | Internal | ±0.15mm |
|| Color Consistency | Internal | ΔE ≤ 2.0 |
|| Hinge Durability | Internal | 500+ open/close cycles without cracking |
|| Velvet Abrasion | Internal | Martindale test ≥15,000 rubs, no pile loss |
|| Magnet Pull Force | Internal | ≥6N per pair, N35 grade neodymium |
Quality Control Framework
Every earring display box passes through Bincai’s 7-stage QC gate system before dispatch:
- Incoming Material Inspection — Greyboard grammage (±3%), velvet pile density, magnet grade verification
- In-Process Printing — Spectrophotometer color check every 500 sheets, ΔE ≤2.0 target
- Die-Cutting Verification — ±0.3mm dimensional tolerance on tray slots and stud strap holes
- Flocking Inspection — Uniform velvet coverage, no bare spots or adhesive bleed-through
- Assembly QC — Mirror adhesion peel test, hinge cycle test, magnet polarity check
- Finished Goods Audit — AQL 2.5 (major defects), AQL 1.5 (critical defects) per ANSI/ASQ Z1.4
- Pre-Shipment Inspection — Random sample pull, 24-pair stud fitment test, mirror clarity under D65 lighting
Why Bincai?
With 22 years of jewelry packaging specialization and 1.7 million boxes daily output across 18,000 sqm, Bincai delivers retail-grade jewelry display solutions that elevate your brand at wholesale economics. Our in-house flocking line applies velvet to exacting standards — no outsourcing means faster turnaround and consistent quality. The double-deck mechanism is precision die-cut on our KBA 1050 4-color offset press, with Heidelberg 7+1 UV available for premium exterior branding.
Factory Facts: Founded 2003 | 22 years experience | 18,000 sqm (10,000 + 8,000 smart factory) | 1.7M boxes/day | KBA 1050 + Heidelberg 7+1 UV | ISO 9001 & FSC certified | Foshan, Guangdong, China
Shipping: Flat-packed with pre-scored fold lines — 60% freight cost savings vs pre-assembled boxes. Standard lead time 10–14 days, rush orders available at 7 days with premium surcharge. MOQ 500 units with custom tray tooling amortized across production volume.
