25 Pack Stay Flat Rigid Mailers 9x12 with Self Adhesive Seal, Bulk White Cardboard Envelopes for Shipping Photo, Magazines, Comic Books, Art Prints - Walmart.com
10 x 8 x 3" White Literature Mailers S-15143 - Uline
Brown Corrugated Cardboard Mailer Boxes
Amazon.com: Mcfleet 24 Pack 12x9x3 White Shipping Boxes - Corrugated Cardboard Mailing Box, Tab Locking Literature Mailer Boxes for Packaging Small Business, Sturdy Flat Shipping Boxes Empty Packing Boxes : Office Products
12 x 10-1/2 x 2-1/8 Corrugated Ring Binder Mailer for Protection During Transit, Preprinted White, 25 per Carton