The standard binder from Donau is a practical and functional organizational tool that is ideal for storing documents in A4 format. With a spine width of 75 millimeters, it offers ample space for extensive paperwork. The lever mechanism with two rings allows for easy insertion and removal of sheets, making handling more convenient. The binder is made from high-quality polypropylene (PP), a robust and durable material that is also environmentally friendly. Weighing 0.42 kilograms, it is easy to transport and suitable for both office and personal use. The elegant navy color gives the binder a professional appearance. With a height of 32 cm, a length of 28.5 cm, and a width of 7.5 cm, it fits easily into shelves and filing cabinets. This standard binder is a reliable solution for the organized storage of documents and contributes to efficient organization.