12X14 INCH Tamper Proof Courier Bags 55 MICRON 100 PCS Packet

Our tamper-proof plastic courier bags envelopes boast a robust 55-micron thickness. Equipped with a hot-melt, pressure-sensitive adhesive strip, these polybags ensure effortless and permanent sealing. Once securely closed, evidence of tampering is required to open them, guaranteeing the safety of the enclosed contents.

Constructed from LDPE/LLDPE co-extruded multilayer film, these bags provide a resilient yet writable surface, allowing for easy labeling with a regular ballpoint pen or permanent marker. Perfect for mailing invoices and other essential documents, our courier bags offer both security and convenience for all your shipping needs.