Quality Park No. 10 Single Window Security Tint Treated Business Envelopes Business – #10 – 4 1/8″ Width x 9 1/2″ Length – 24 lb – Flap – White – 500 / Box (90119R)

Security business envelopes with a window are made with a material that inhibits the growth of mold and mildew to protect the product. Redi-Strip on the flap provides a clean, quick seal immediately upon contact. Simply peel off the adhesive strip and press to seal. The peel-off strip protects the adhesive from dust for a longer shelf life. No. 10 envelopes are tinted to protect the privacy of your contents.