10 PCS Insert Card Blister Watch Strap Universal Package Box(Black Box+White Inner Support)

1. Material: white card + blister
2. Single hole double hole inner support optional
3. Use: watch strap packaging
4. Does not damage or scratch the strap
5. Easy to assemble, firmly fixed without loosening
6. Protective strap, dustproof, waterproof, moistureproof
7. The inner support is elastic and can be fitted with 18-42mm straps
8. Ships without watch strap as pictured
9. Size: 20x7x1.5cm
10. Unit weight: 22g