250 Pieces of 9.5x12 inch quality adhesive pouches included. ? Idea for loading Letter-size(8.5'' x 11'') paper documents like shipping label, packing list, invoice, delivery documents etc. ?Simply insert the label/documents inside the clear pouch, pull the paper backing off the large side, stick it on the package, pull off the narrow paper backing & seal it. Then your shipping label/doc. will be under great protection against rain and scratch during transit.