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Your cart is empty.These Quality Park 12" x 15 1/2" catalog envelopes have a quick-and-easy Redi-Strip closure. Just peel the paper strip and press for a strong, durable seal. Redi-Strip envelopes are the perfect mailroom update for concerns about surface germs in the workplace. Skip the yuck, stay safe and save time with every mailing. Plus, the peelable paper strips protect your adhesive from dust so envelopes last longer in storage. These self seal envelopes are inkjet printer compatible, though not recommended for the laser printer. (Use labels instead.) Heavyweight 28 lb white wove paper is opaque enough to protect private contents and durable enough for lots of hard office tasks. Center seams give added strength for heavy contents. Our large envelope can store letter or legal-sized papers flat without ugly folds and creases. This classic open-end white envelope is ideal for mailing manuscripts, homeschool packets, workbooks, sales literature, newsletters, contracts or other large, heavy enclosures with confidence. Stock up on boxes for your next bulk mail project! 100 Per box.