Quality Park No. 9 Double Window Security Tint Envelopes with Self-Seal Closure - Security - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Adhesive - 250 / Box - White

Double-window envelopes are security tinted to keep your private information hidden from view. Redi-seal closure does not require any moisture for fast, simple adherence. Double-flap design prevents the gum from sticking before you're ready to use. Envelopes are perfect for mailing checks, invoices, statements and more.