12 x 16 x 4" White Expandable Tyvek® Envelopes $99.95 12 x 16 x 4" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
12 x 16 x 2" First Class Expandable Tyvek® Envelopes $142.04 12 x 16 x 2" First Class Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
12 x 16 x 2" White Expandable Tyvek® Envelopes $130.96 12 x 16 x 2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
10 x 15 x 2" White Expandable Tyvek® Envelopes $116.58 10 x 15 x 2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
10 x 13 x 2" White Expandable Tyvek® Envelopes 100 PER CASE $107.70 10 x 13 x 2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
10 x 13 x 2" White Expandable Tyvek® Envelopes 100 pr CASE $103.39 10 x 13 x 2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
10 x 13 x 1 1/2" First Class Expandable Tyvek® Envelopes $95.47 10 x 13 x 1 1/2" First Class Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature... Add to Cart
10 x 13 x 1 1/2" White Expandable Tyvek® Envelopes $87.32 10 x 13 x 1 1/2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal... Add to Cart
9 x 12 x 2" White Expandable Tyvek® Envelopes $92.90 9 x 12 x 2" White Expandable Tyvek® EnvelopesTyvek® envelopes provide superior puncture, tear and moisture protection.Constructed from 18 lb. olefin. Ten times stronger than paper envelopes. Envelopes expand to hold bulky items. Feature self-seal closure... Add to Cart