Aviditi M12122BF Corrugated Easy-Fold Mailer, 12-1/2" Length x 12-1/2" Width x 2" Height, White (Bundle of 50) These one-piece bookfolds have scores at multiple depths to ensure the proper fit for your products Scored at multiple depths for flexibility Simply place product in the center, fold in the sides at your desired depth and seal with tape Attractive 200#-B/ECT-32 white corrugated construction makes a quality impression Measures 12-1/2-inches length by 12-1/2-inches width by 2-inches height