AV Stumpfl Magnum-Motor Strato Case designed to protect and transport the Magnum-Motor Strato projection-screen system. The case is specified for the 21 × 21 cm version and is identified by manufacturer article number BMM-S/SK210. It is an accessory case rather than a projection screen and therefore has no projection area, video inputs, or video outputs. The listed net weight is 95 kg.