Quality Park 11" x 13 1/2" photo document mailers are made of extra rigid fiberboard to protect large photos. Perfect for shipping and storage. Our photo envelopes have Redi-Strip self-sealing closures for a fast, instant 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. Bright white 24 pt. recycled fiberboard makes a clean and professional presentation. Ideal for sending family photos, wedding pictures and important documents. 25 Per box.