Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Stationery & Handmade Goods |
| Origin | - |
| Material | High-quality Polypropylene (PP) |
| Dimensions | 7.5 x 20.5 cm |
| Thickness | Thickened 0.12mm for extra durability |
| Pack Quantity | 100 sleeves per pack |
| Transparency | Crystal clear for easy viewing |
| Closure Type | Self-adhesive seal strip |
| Acid-Free | Yes, archival safe for long-term storage |
| Compatibility | Fits standard miniature sheets and square blocks |
| UV Protection | Provides basic UV resistance to prevent fading |
| Country of Origin | Manufactured in China |
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect fit for my miniature sheets
These sleeves are exactly what I needed. The dimensions are spot on for my collection of square blocks, and the thickened material feels very premium compared to cheaper alternatives.
Anonymous
Mar 29, 2026
Rating: 4/5
Great quality, slightly tight seal
The plastic is crystal clear and very sturdy. My only minor complaint is that the adhesive strip can be a little tricky to align perfectly on the first try, but once sealed, it's very secure.
Anonymous
Mar 24, 2026
Rating: 5/5
Archival safe and durable
I was worried about acid damage over time, but these are clearly labeled as acid-free. They feel thick enough to protect valuable stamps from bending or creasing during handling.
Anonymous
Mar 21, 2026
Rating: 5/5
Best sleeves for square blocks
I have tried many brands, and these 7.5x20.5cm sleeves are the best fit for international miniature sheets. The self-adhesive closure is strong and doesn't yellow over time.
Anonymous
Mar 20, 2026
Rating: 4/5
Good protection, very clear
The transparency is amazing; you can see every detail of the stamp without removing it. I deducted one star because a couple of sleeves in my pack had minor dust inside, but overall very satisfied.
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent value for 100 pack
As someone just starting their collection, getting 100 high-quality sleeves at this price point is fantastic. They make my albums look so much more professional.
Q: Are these sleeves reusable if I unseal them?
A: While the self-adhesive strip is strong, it is generally designed for one-time sealing to ensure maximum protection. Re-sealing may result in a weaker bond or potential damage to the stamp.
Q: Do these contain PVC?
A: No, these sleeves are made from Polypropylene (PP), which is PVC-free, acid-free, and safe for long-term archival storage of your philatelic items.
Q: Will these fit a standard US souvenir sheet?
A: These sleeves are designed specifically for miniature sheets and square blocks measuring up to 7.5 x 20.5 cm. Please measure your specific souvenir sheet before purchasing, as US sizes can vary.
Q: Can I write on these sleeves with a permanent marker?
A: Yes, the surface accepts permanent marker ink well for labeling purposes. We recommend testing on a spare sleeve first to ensure the ink does not smear onto the stamp inside.
Q: Is there a bulk discount for buying more than 5 packs?
A: Yes, we offer tiered pricing for bulk orders. Please add 5 or more packs to your cart to see the automatic discount applied at checkout.
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