Quality Park® #10 Single Window Security Tint Envelopes, 4-1/8 x 9-1/2, Gummed, Diagonal Seams, 500 per Box (21412)

Quality Park Security Tint #10 Window Envelopes have a reflex blue pattern to protect sensitive information. This special tint prevents a security breach because the contents are not visible even when held up to light. Each moisture sealed envelope is made of 24 lb white wove paper with traditional diagonal seams that work with inserters and automated folding machines. Envelopes seal closed by simply adding moisture to the gummed, commercial flap. Available in boxes of 500 so you never run out! Envelope dimensions are 4 1/8 inches x 9 1/2 inches. Window dimesions are 4 1/2 inches x 1 1/8 inches, 7/8 inches from the left edge and 1/2 inch from the bottom.

• These boxes of 500 white #10 security envelopes (4 1/8 in x 9 1/2 in) protect your customers' sensitive data; a reflex blue pattern obscures the details of what's inside, even when held up to light
• The single window for addresses measures 4 1/2 inches x 1 1/8 inches and is positioned 7/8 inches from the left edge and 1/2 inch from the bottom of the envelope
• Each number 10 window envelope is made of 24 lb white wove paper with traditional diagonal seams and measures 4 1/8 in (height) x 9 1/2 in (width)
• Just add a little moisture to the glue strip along the envelope flap and seal tightly closed; no strip to peel off and throw away
• Stock up on boxes of 500 for bulk mailings; these number 10 business envelopes can be run through a postage machine