This window cleaning tool is designed for cleaning glass thickness of 15-24mm (0.5’’-0.9’’). Wipe one side, get two sides cleaned, twice the efficiency with half the labour. With our double-sided magnetic window cleaning tool, no need to stick your body out of the window. It has 2 meters long safety rope to prevent accidentally falling. This magnetic window cleaner wiper is made of high quality ABS material and natural latex, magnet, providing strong magnetic force. The magnet is not easy to demagnetize, with built-in water storage sponge to clean the glass. The special triangle handle design is ergonomically comfortable. You can wipe to the narrow area on the window and clean without dead corners.