The unique fibre structure of Tyvek security envelopes, developed by DuPont, is tear and water resistant for extra security during transit. The envelopes also feature an extra strong hot melt peel and seal closure and are lightweight to help keep postage costs down. These C5 envelopes measure 229 x 162mm and are 100% recyclable. This pack contains 100 envelopes.
- General
- The unique fibre structure of Tyvek security envelopes, developed by DuPont, is tear and water resistant for extra security during transit. The envelopes also feature an extra strong hot melt peel and seal closure and are lightweight to help keep postage costs down. These C5 envelopes measure 229 x 162mm and are 100% recyclable. This pack contains 100 envelopes.
| Type | High Security Envelopes |
| Manufacturer | Bong UK Ltd |
| Brand | Tyvek |
| Colour | White |
| Material | HDPE |
| Closure | Peel & Seal |
| Grammage | 55gsm |
| Dimensions | 229x162mm |
| Envelope Grade | Light Weight |
| Gusset | No Gusset |
| Flap Position | Short Edge |
| Tear Resistant | Yes |
| Bright white with swirling texture and soft lustrous sheen |
| Secure peel and seal closure |
| Smooth non-woven mesh of 100% high density polyethylene |
| Virtually indestructible lightweight pocket envelopes |
| Waterproof, burst proof and tear-resistant |