3M Packing List Envelope Non-Printed Zipper Closure NPZ-XL Clear, 10 in x 12-1/2 in, Conveniently Packaged (Pack of 50) Holds packing lists secure throughout the shipping process Protects important documents from damage due to water and oil splashes Rubber resin adhesive sticks on content to a variety of surfaces Envelope face is zippered for easy opening Available in new convenient-sized packaging Provides control and protection of on-package packing list and invoice documents Zippered envelope face delivers efficient and quick processing Offers convenient peel-and-stick document attachment Features a polyethylene backing, synthetic rubber adhesive and paper liner Easy to use, this packing list envelope is side-loaded Non-printed design provides a clear window for logos, instructions or other information