No. 10 envelopes offer a smooth seamless interior for perfect insertion every time and a standard window for easy mailings. With this design, you'll have no catching on seam while inserting so it reduces jamming and downtime. Easy-to-use envelope has an open side and outside side seam. 24 lb. envelopes meet Canadian and U.S. postal standards.

No. 10 envelopes with a window require no moisture to seal. Simply peel back strip and fold closed. Protective strip keeps adhesive free from dust. 1-1/8"" x 4-1/2"" window is positioned 7/8"" from left and 1/2"" from bottom. No. 10 envelopes are security-tinted for privacy to protect the privacy of your contents and made of 24 lb. white wove stock.

No. 10 invoice envelopes offer a standard address window. Poly windows and inside tint provide privacy for your contents. Self-sealing design makes envelopes quick and easy to close. 24 lb. envelopes require no moisture to seal. Unique double flap design keeps the gum from sticking before use. Simply raise the lower flap and press.

Window envelopes feature a unique, aggressive adhesive that provides a strong, moisture-free seal with six times longer shelf life than normal self-seal envelopes. No messy water moisteners or glue sticks needed. Just lift the flap and press to securely seal with no removable strip to throw away. Security is enhanced by an inside printed pattern and micro perfs along the flap that can reveal evidence of tampering.

• Round Edge
• Expandable

• Tamper Evident
• Security Tint

• Top Left
• Bottom Left