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Triplast C5 White Self Seal Security Envelopes (229x164mm) combine robust 90gsm paper with a high-security blue interior pattern to protect confidential contents. Designed for effortless self-sealing and full printer compatibility, these envelopes are perfect for professional, home, or commercial use. Made sustainably in the UK from PEFC-certified paper, they offer a reliable, eco-friendly mailing solution in a convenient pack of 50.
| ASIN | B0B3S1JMRQ |
| Best Sellers Rank | 53 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 1 in Catalogue Envelopes |
| Brand | Triplast |
| Brand Name | Triplast |
| Closure Type | Self-Seal |
| Closure type | Self-Seal |
| Colour | White |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.4 out of 5 stars 1,807 Reviews |
| Item Dimensions L x W | 22.9L x 16.4W centimetres |
| Item Shape | Rectangular |
| Item Type Name | Plain Envelope |
| Manufacturer | Triplast |
| Material | Paper |
| Material Type | Paper |
| Number of Items | 50 |
| Number of items | 50 |
| Occasion | Anytime |
| Occasion Type | Anytime |
| Recommended Uses For Product | Security |
| Size | Plain - C5 (229x164mm) |
| Special Features | Self Seal |
| Style | Flat |
| Unit Count | 50.0 count |
A**R
Good quality
Good envelopes for use in a small home business. Good quality paper, nice and sturdy and stick well. Good value for money. Will buy again.
D**N
Great product
Great product
S**P
Good value
Well made, although not as thick paper as some, they seal well, good value
L**L
Great value
Great value
D**F
Good quality envelopes
Arrived quickly, good quality
E**E
They aren't bent
Good Envelopes Good price
Z**H
Weak seal, will have to use selo tape
Weak seal for these, glue isn’t strong enough definitely use the selo tape.
D**E
Happy
Very happy with the item Thank you
W**S
Perfect for Amateur Radio QSL cards
I’ve been looking for envelopes that I can use for send and receiving both domestic and international QSL cards. These work perfectly. They are security and self-sealing.
Trustpilot
3 days ago
1 day ago