Box Partners Easy-Fold Mailers 12 1/8" x 9 1/8" x 4" White 50/Bundle M2BKXL

Sold as 50/Bundle. Great for mailing books, catalogs and framed pictures. Attractive 200#/ECT-32-B white corrugated construction makes a quality impression. Scored at multiple depths for flexibility. Dimensions: 12 1/8"L x 9 1/8"W x 4"H. Quickly package items. No carton set up. Simply place product in the center, fold in the sides at your desired depth and seal with tape.