Patented release strip makes these open-end catalogue envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. Envelopes are made of DuPont Tyvek won't rip, tear or puncture. They are much st... more

Patented release strip makes these open-end catalog envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. Envelopes are made of DuPont Tyvek won't rip, tear or puncture. They are much stro... more

Regular-weight Expansion Envelopes offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton. Offers open-end style and convenient Flap-Stik closure. Envelopes ma... more

Patented release strip makes these open-end catalog envelopes easy to open. Convenient Flap-Stik closure does not require moisture to seal. Envelopes are made of DuPont Tyvek won't rip, tear or puncture. They are much stro... more

Tyvek open-end envelopes are super strong, moisture-resistant and tear-resistant. Release strip makes document easily accessible to recipient, yet maintains security of contents. Convenient peel-to-seal closure requires no... more

Tyvek open-end envelopes are super strong, moisture-resistant and tear-resistant. Release strip makes document easily accessible to recipient, yet maintains security of contents. Convenient peel-to-seal closure requires no... more

Catalog envelopes are made with DuPont Tyvek so they are strong and moisture-resistant. Release strip makes document easily accessible to recipient, yet maintains security of contents. Convenient peel-to-seal closure requi... more

Catalog envelopes feature DuPont Lightweight Tyvek for strong, moisture-resistant mailing. Security of contents is enhanced by an inside printed tint pattern. Each envelope is treated with an antimicrobial agent to protect... more

Catalog envelopes feature DuPont Lightweight Tyvek for strong, moisture-resistant mailing. Security of contents is enhanced by an inside printed tint pattern. Each envelope is treated with an antimicrobial agent to protect... more

Heavyweight Tyvek Envelopes are super strong, moisture-resistant and tear-resistant. Tyvek expansion is ideal for superior protection for mailing bulky items. These plain envelopes feature an open-end design for easy inser... more