APQ Natural Rigid Mailers 11 x 13.5 Inches. Pack of 10 Photo Mailer Envelopes. Flat Cardboard Mailers with Self-Seal Closure. Sturdy Cardboard Photo Envelope. Recyclable Hard Shipping Envelopes Rigid

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 thick, high-quality cardboard that provides excellent protection against damage during shipping.

The stay-flat design ensures that the envelopes remain open and flat during mailing, making it easy to insert and remove items.

The natural white color is attractive and professional, and the rigid construction provides a secure closure to keep contents safe.

These mailers are ideal for sending artwork, photographs, or any other item that requires extra care when shipping.