11 1/8 x 8 5/8 x 2" White Deluxe Easy-Fold Mailers (M1BKSS) Bundle Of 2511 1 8 x 8 5 8 x 2" White Deluxe Easy Fold Mailers. Peel and seal closure secures mailers without the need for tape or glue! These one piece mailers have scores at multiple depths to ensure the proper fit for your products. Simply place product in the center, fold in the sides at your desired depth, peel and seal. Attractive 200# ECT 32 B white corrugated construction makes a quality impression.