DO-AN Andrzej Blak is a company that has been operating a physical and online store with car roof racks and automotive accessories since 2014. The store’s regular offer includes base roof racks (also known as roof bars), car roof boxes (for the roof and rear of the vehicle), bike carriers (including tow bar-mounted platforms), ski racks, winter sports gear holders, and accessories such as breathalyzers, car covers, floor mats, and snow chains. DO-AN also runs a popular car roof box and roof rack rental service in Kraków, as well as a calibration point for electrochemical breathalyzers. The DO-AN store and rental service stand out from the local competition thanks to attractive prices, a wide range of products, and the opportunity to benefit from expert advice provided by the knowledgeable DO-AN team.