SIZE - Our locking mobile file box measuring 15 x 14 x 17 inches is ideal for locking up tax returns, passports, medical records, receipts, and other important documents. STRONG - Each locking file box features a sturdy PVC frame, along with built-in metal rails to hold all your hanging files, sturdy wheels, side handles and a telescoping handle. MOBILE - This portable filing cabinet is perfectly sized and designed to take with you wherever you go. With smooth-gliding wheels and a telescoping handle, you'll be ready to roll! VERSATILE - This rolling file holder box is also great for shared offices, business travel, homes with small children, group homes, and moving. SECURE- The Vaultz locked file folder is a dual-combination locking chest, so you'll get twice the protection. Simply set a 3-digit code for each lock and enjoy the benefits of keyless security.