Clear polypropylene film with bright orange border and printed message: DOCUMENTS ENCLOSED. Rubber resin adhesive grips your package. Non-tacky center window portion covers important shipping information. Linerless, so less waste to remove. Strong film backing provides moisture and abrasion-resistant barrier. Aggressive adhesive prevents rubbing off, to reduce chance of lost or delayed packages. See-through window allows for easy identification of contents. Conformable film accommodates bulky shipping documents.