TAILORED SIZE- This size is tailored for loading letter-size paper folded in half perfectly, idea for shipping labels, packing list, invoice, delivery receipt etc. RELIABLE QUALITY- Thicker quality film to ensure a great tear resistance and maintain the pouch in shape when applying it to packages. Easy to scan the bar code from outside of the clear pouch; save time and cost on tapes. Strong adhesive on various surfaces and water proof. Easy to use it and make your shipments look professional. 1000 pieces premium adhesive pouches included. Simply tuck the label/doc. 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 etc. during transit. Any items smaller than 5.6'' x 8.6'' should fit in well.