No. 10 Double Window Security Tinted Envelopes use a self-seal closure for the ultimate convenience. Side seams add a modern, professional touch to your mailing. Convenient, Redi-Seal closure requires no moisture and has no pull-off strip to throw away - just unfold the bottom flap and press for a secure seal. Premium security tint ensures privacy is preserved during mailing. 24 lb. bright-white stock gives mailings a clean, crisp look. Left-side, double windows are perfect for displaying sender and receiver addresses.

• Protects sensitive client information with reflex blue tint pattern that makes it impossible to see the details of the contents even when held up to light
• Redi-Seal closure doesn't require moisture to seal; unique, double-flap design to keep the gum from sticking before use
• Made from premium, 24 lb. white wove stock that adds a professional touch to your personal and business mailing
• Top and bottom positioned from the left to accommodate mailing addresses