- Multipurpose durable air cushion devices with rigid edges and fine air control valve. - Suitable for positioning panels, bonnets and boots, prior to fitment. - 2mm Thickness and semi-rigid construction allow bags to be slid between window frame and weather-stripping for improved access for emergency vehicle opening tools. - Soft air cushion is gentle on paintwork, frame, beadings and glass. - Can also be used for fitting kitchen units, windows and doors.