The present invention is directed to a window element (1, 2, 3) and a drug delivery device, like a pen-type injector, that provides for administration by injection of medicinal products from a multidose cartridge. The drug delivery device may comprise a housing (7), a dose setting member (8), a dial (10), a drive member, a clutch (11) and/or a clicker (12, 13). The window element comprises a first member (1) with a window and being made from a rigid material, a second member (2) and a third member (3), each made from an elastically deformable material and being attached to the first member (1).