The invention relates to a roller blind web for a protective device of a vehicle interior. A roller blind web for a protective device of a vehicle interior, comprising a flexible sheet material, which can be moved between a pulled-out protective position and a compactly stored resting position in a vehicle interior, wherein lateral stiffening strips are associated with the sheet material on the opposite longitudinal sides of the sheet material, which stiffening strips are guided in vehicle guide rails in a longitudinally movable manner in the installed state, wherein the stiffening strips are designed as metal strips, is known. According to the invention, thin connecting strands of metal are fastened to the longitudinal sides of the sheet material. Said connecting strands are welded to the respective metal strips by means of a plurality of weld spots spaced apart in the longitudinal direction of the longitudinal sides. The invention further relates to the use for shading devices in the vehicle interior of passenger cars.