APQ Natural Rigid Mailers 17 x 21 Inches. Pack of 5 Photo Mailer Envelopes. Flat Cardboard Mailers w…See more

The APQ Board Envelope Stay Flat Mailers are rigid photo mailers that are perfect for sending large or fragile items through the mail.

These envelopes are made of high-quality cardboard and have a unique design that allows them to stay flat when opened, making it easy to insert and remove items without any damage.

The envelopes are also reinforced with sturdy flaps to ensure that they can handle even the largest of packages.

With their attractive natural or white colors, these mailers are sure to impress your customers and make them stand out from the competition.

Whether you're shipping artwork, photos, or any other large item, the APQ Board Envelope Stay Flat Mailers are the perfect choice for a secure and reliable delivery.