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Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature self-seal closure. Available in plain and First Class printed borders.
Item Specifications
9 x 12" First Class Flat Tyvek® Envelopes
Tyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature self-seal closure. Available in plain and First Class printed borders.
Item Specifications
Item Length | Item Width | Item Height | Color | Strength/Material |
12" | 9" | N/A | White - Green | 14 lb. Olefin |