Carstens Heavy Duty Low-Profile Clipboards are made from premium copolymer polypropylene plastic to resist scratching, bending and tearing in even the most demanding work environments. They offer a durable, smooth writing surface and feature a powerful, low-profile gator-grip spring clip, built to clamp and hold up to 3/8" of paper – that's about 94 sheets. Our non-porous clipboard surface is impenetrable to air and liquids, so bacteria cannot grow beyond the surface. This unique material ensures easy cleaning and disinfecting – ideal for medical clipboards, nursing clipboards and other high-demand work environments. Whether it's for healthcare facilities, offices, schools or homes, Carstens Heavy Duty Clipboards are built tough to get the job done for the long haul with a 3-year limited warranty. For over 130 years, Carstens has been the choice of the pros, setting the standard for quality and durability in products for healthcare facilities and beyond. We're proudly made in the USA of US and imported parts, and a WBENC certified Woman-Owned Small Business.