Security Lock:file boxes feature upgraded waterproof dual zippers and a combination lock, protecting your documents and valuables from unauthorized access and water damageFireproof and Waterproof: The fireproof document box /bag is made of dust-proof silicone fiberglass, offering fire resistance up to 2192, SGS-certified ; Its waterproof design protects your documents from rain and spills (No folders included)Unique Design: The large and medium-sized fireproof boxes feature sliding rails for easy document adjustment, PVC anti-slip pads for stability, and reflective strips for visibility in low light; The smaller fireproof bag includes a reinforced handle and adjustable shoulder strap for easy carryingLarge Capacity: Available in three sizes, the large document box (16''x12.5''x11.5'') can hold legal-sized and letter-sized documents, the medium document box (12.5"x10.5"x6") is fit for letter size files, and it includes mesh pockets of various sizes; The smaller document bag (15''x11''x4'') features a three-layer design with 12 mesh compartments of different sizes