Features: Designed as a blank canvas, these sturdy board-backed mailing envelopes let you personalize with sketches, inscriptions, or labels—ideal for shipping diverse items with a creative touch. Crafted from thick kraft paper, our rigid mailers are designed for durability. They are specifically designed to safeguard valuable contents like art prints, photos, CDs, books, and certificates. These cardboard mailers provide a sturdy and protective environment, ensuring your items remain intact upon arrival. Specifications: Material: kraft paper Color: kraft brown Size: 16 x 20 inches/ 40.622 x 50.8 cm Package includes: 20 x rigid mailers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.