Quality Park Postage Saver Security Tint Window Envelopes - 500 / BX - Booklet - #10 1/2 - 9 1/2 Width x 6 Length - Gummed - Paper - 500 / Box - White

Postage-saving envelopes with windows hold extra documents and provide value based on shape-based postage costs. Booklet envelopes are specifically designed to perform while holding extra copies and weight. Envelopes feature heavyweight paper, security tint to keep contents private, and large flap with extra adhesive for secure mailing. Window is located in the bottom left corner to display addresses printed on the contents.

• Made of durable, 28 lb. white wove stock that holds the same capacity as flat mailers without the postage cost
• Reflex blue pattern that obscures details of the contents even when held up to light
• 6" x 9-1/2" size perfect for small booklets and enclosures; single window positioned 7/8" from the left edge and 2-3/8" from the bottom to display a receiver address
• Just add moisture to the adhesive strip along the flap and seal closed; no peel-off strip to throw away