Keep your documents clean and pristine and avoid costly transportation delays with Safety Data Sheet Envelopes. These protect product safety documents from damage caused by dirt or moisture. Their tamper-evident storage pocket must be torn or cut open to retrieve the contents, and their pressure-sensitive adhesive sticks aggressively to paper, metal, wood, corrugated, or plastic. These back loading envelopes are a smart and economical way to keep your hazmat-related transportation documents intact and highly visible to shippers and receivers.