12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5" Quantity:400 This set of twenty five

This set of twenty five boxes helps you tackle larger organizational projects or create an effective filing system across multiple rooms or departments

high-tensile strength film clings to itself

This blown stretch film gives superior force and cling for securing all types of loads and is tear-resistant even around sharp corners

The strong seams allow for maximum protection

-Cardboard Pads -Thickness 1/8" -9"x12" -32 ECT -Adds stiffness to flimsy packages

12.5x9.5 White Rigid Stay Flats Self-Seal Cardboard Envelope Mailers 12.5"x9.5" Quantity:400 This set of twenty fiveFortify your packages with the most robust cardboard mailers on the market. Crafted from premium 250 GSM material, these white mailers are built to shield your shipments from the elements. Ultra durable 250 GSM cardboard construction Self sealing closure for seamless packing Heavy duty adhesive to prevent leaks and spills Don't entrust your valuable items to flimsy packaging. Our top tier cardboard mailers provide unparalleled protection to ensure