KNEE AIRBAG UNIT OF A VEHICLE OCCUPANT RESTRAINT SYSTEM OF A MOTOR VEHICLE

A knee airbag unit () of a vehicle occupant restraint system of a motor vehicle is described. The knee airbag unit () comprises an airbag module (), which has a module holder (), a gas generator () and a flexible, non-inherently rigid module housing () that at least partially surrounds the gas generator () and the airbag in the untriggered state, wherein the gas generator (), the airbag and the flexible module housing () are fastened to the module holder (). Also provided is a cover () forming a module covering and defining an outer side in the installed state of the knee airbag unit (), which is connected to the airbag module (). Furthermore, there is an edge-side means () securing the cover () against lowering, originating from the module holder ().