Quality Park No. 10 Security Tinted Business Envelopes with Redi-Strip® Closure - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - Wove - 500 / Box

No. 10 security envelopes use a self-seal closure for convenience in standard business mailings. Redi-Strip closure produces a secure seal to keep contents contained. Simply pull off the paper strip and press to seal. Peel-off strip keeps dust away from the adhesive for a longer shelf life. Premium security tint ensures privacy is preserved during mailing. 24 lb. bright-white stock gives mailings a professional look.