1.Quantity Specifications: Includes 800 OPP stamp sleeves in 8 sizes, providing effective protection for stamps and resolving issues with unclear stamp dimensions
2.Premium Material: Crafted from transparent OPP plastic film, these stamp sleeves are essential philatelic supplies for preserving stamp integrity
3.Functional Features: Primarily designed for dust protection, the transparent double-sided design allows clear observation of stamp details
4.Functional Features: Primarily designed for dust protection, the transparent double-sided design allows clear observation of stamp details
These protective sleeves are typically made from OPP (Oriented Polypropylene) material, featuring the following characteristics: High Transparency: Clearly displays the stamp's design, colors, and details, facilitating appreciation and authentication. Abrasion Resistance: Offers a degree of wear resistance, reducing friction damage to stamps during routine storage and handling. When using OPP stamp protection bags, observe these precautions: Select appropriate size: Ensure the bag size matches the stamp to prevent shifting or compression due to oversized or undersized bags. Handle with care: Move stamp-containing bags gently to avoid damaging stamps through excessive force. Avoid direct sunlight and high-temperature environments.