13.5" x 11"" Self-Sealing Fiberboard Mailer, 3, White, 100/Carton (RM3SS)

Easy Closure and Opening:Thanks to convenient tear tabs, recipients of these Staples QuickStrip StayFlat mailers can easily open them when they arrive at their homes or businesses without damaging the contents inside. The QuickStrip closures on these mailers also make them easy to pack just slide the contents inside, pull off the strip, and then press firmly to close.Convenient Sizing:These Staples QuickStrip StayFlat mailers come in a case of 100, so you can have plenty on hand to meet the precise shipping needs of your business. Their 11-inch x 13.5-inch size makes them perfect for use when shipping documents, photographs, or artwork.Durable Design:Constructed from rigid chipboard, these mailers won't bend or crush while they're in transit to your destination, and they're of a lighter weight than standard mailers, reducing your shipping costs. For added peace of mind, these mailers come with the Staples 100 percent satisfaction guarantee.