50pcs Blue Thick Polyethylene Courier Shipping Bags - Self-sealing Adhesive Waterproof Packaging Bags Tear Resistant Ide

High strength and anti-damageAdopting thickened PE/composite material, tear-resistant and puncture-resistant, it effectively protects the package from damage caused by extrusion and friction during transportation, ensuring the safe delivery of the items.Waterproof and moisture-proof designStrong sealing, built-in double-sided tape sealing or zipper design, easy to close and waterproof and moisture-proof, suitable for rainy days or humid environments, to prevent moisture damage to the internal parts.Privacy protectionOpaque design, covering the contents of the package to prevent information leakage.