Doublesided magnetic window cleaner: Triangular shaped magnetic glass wiper with a strong internal magnet that lock the two cleaning sides together. Clean both interior and exterior surfaces in one pass, with one side guiding the other as you move, making rise window cleaning more convenient. Compatible with 2030 mm glass: This wiper is designed for double glazed glass 2030 mm thick. For glass of different thicknesses, different magnetic glass cleaners are required; if the thickness is not matched, the tool may not move or attach properly. Please choose the version according to your glass thickness. quality and easy maintenance: Made from ABS, natural latex, and magnets, providing a strong magnetic hold. It includes a builtin water storage sponge to assist with cleaning, and the magnet is not easy to demagnetize. The inner cleaning cotton is replaceable, ensuring longlasting use. Safe operation with rope: Comes with a 2 meter long antifalling rope to secure the tool to your hand, preventing drops and providing a stable, safe cleaning experience. Practical use scenarios: Ideal for cleaning rise apartment windows from inside, office building glass that is difficult to access from outside, and skylights or hardtoreach balcony glass panels where cleaning one side helps clean the other.