The PROSTAND RA-PS 20 DL A3 is a technical drawing folder designed to keep your architectural or engineering projects organized and protected. It contains 20 sheets of high-density paper in A3 format, which provides ample space for detailed layouts and sketches. With a paper density of 140 g/m², the pages are sturdy enough to handle various media including pencils, liners, and ink without bleeding through. This versatility makes it a practical choice for students and professionals who need a reliable surface for graphic work, all housed within a durable protective cover that prevents the sheets from bending or tearing during transport.