Slim design minimizes bulk and fits easily into a backpack, a sensible purse or a briefcase while providing plenty of internal storage space. Smooth-writing surface features a premium, low-profile clip that securely holds up to a 0.5" stack of paper. Made from durable polypropylene with a snap cover that keeps materials protected from impacts and the elements. Perfect for the mobile professional working away from their desk. It's a great tool for keeping project materials organized!