Letter-size clipboards are commonly made from plastic, hardboard or wood, and heavier cardboard/paper stock. Metal is typically used for the clip hardware rather than the board itself.
Storage clipboards protect documents using snap or security closures and translucent or solid covers to keep papers secure. Many models advertise protection from dust, spills, wrinkles, and tears and may be described as water-resistant or protective for transport and storage.
Letter-size clipboards use several clip types: low-profile clips with rubber grips for a gentler hold, strong high-tension metal clips for a firmer grip (some listings note larger metal clips), and retractable or pull-out hanging hooks for storage and display.
Many clipboards include internal compartments for pens and pencils, molded grooves or indentations to hold writing tools, and secure tabs or closures that keep small items in place while transporting papers.
Many letter-size clipboards are described as lightweight, slim, and easy to carry. Listings note designs that fit into backpacks or large purses and some include retractable hooks for hanging when not in use, making them suitable for travel or field work.