Hisago Anti-Tamper Seal Envelope for Square No. 2, 7 Sides, OP2427, 1 PK

Catalog number: OP2427 Features: ●When the sticker is peeled off, the word "VOID" appears, so you can tell that it has been opened. ●It does not damage the surface of paper envelopes when opened. ●It is the perfect size to stick on square No. 2 envelopes. ●If you do not need the word "VOID" after opening, you can rub it off with an eraser or something similar. Uses: ●To prevent questionnaires and application forms from being opened when returning them. Specifications: ●Height (mm): 297 ●Width (mm): 210 ●Color: Silver ●Thickness (mm): 0.15 (Label only thickness (mm): 0.10) ●Gram weight (g/m2): 176 ●Paper size (mm): A4 (210 x 297) ●Label size (mm): 25 x 225 Material/Finish: ●PET Caution: ●Cannot be used with paper for inkjet printers. ●Cannot be printed on this product. ●Cannot be applied to leather, wood, curved surfaces, or uneven surfaces. ●The sticker will set over time. Please wait a while before peeling it off. This product does not guarantee that its use will prevent any kind of peeking or tampering.