13 x 19" White 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.
Color/Print: White
Opening: End
Price Unit Description: Case
Length: 19"
Weight: 6.48
Width: 13"