Storage ClipboardStorage clipboard size is 13.3 x 9.4 x 1.5 inch, about 640g. The metal clips can hold paper without leaving marks. With a hanging hole on the back, you can hang on the wall to save space. All-In-One Storage Clipboards Dual-Layer design ensure roomy space for various needs of storage. You can keep frequently used documents on the top compartment. A second lower compartment is deep enough to store more than 300 sheets. Widely ApplicationSmooth and sturdy writing surface and dual storage ensure roomy space for various needs of storage. Perfect for classrooms, hospitals, waiting rooms, teachers, inspectors, meetings, office, and more. Perfect for football coaching, truck driver, traveling teacher, homeschooling, outside sports, back to school and etc. Side-Oping DesignThe nurse clipboard with flexible latch is easy to open and close when using, simply un-clip side of clipboard to reveal a spacious storage compartment, allows you easy access your important documents or read information.Sturdy latches keep both compartments securely closed to prevent losing personal items. Sturdy and SafetyThe clipboard folder is made from high-impact, break-resistant plastic that is sturdy and won't break easily even if dropped. transparent and waterproof, even on harsh rainy days, it can keep your work files dry and safe, and allow you to easily access documents.