Effective for single glazed windows with 3-8mm thickness. The distribution of magnetic design is easy to scrub. Unique design. Double sided design, strong magnetic, it is very safe and convenient. 

• Easy to clean.
• Cleans the outside of your windows, while staying in your room.
• Strong absorption force.
• Environmental friendly.
• High-quality plastic material, practical, solid, anti-drop, and durable.
• The triangular design can easily wipe the corners.