1. Non-slip handle: The non-slip handle can improve the cleaning effect. Scratch-resistant cleaning pad that efficiently removes algae from glass. 2. Wipe the surface of the cylinder: This inverted wiping surface can be used to remove the hard-to-remove attachments on the inner surface of the glass, which is convenient for cleaning. 3. Strong magnetic: This inner brush will not sink into the deepest part of the fish tank when floating. Float on the bottom of the aquarium to avoid losing the magnet. Super strong magnets are available for different glass thicknesses. 4. Streamlined Design: This brush has a unique design, blue and white, beautiful and practical. 5. Good suction and strong magnetic attraction: When the outer magnet moves, the inner magnet moves with it, thereby cleaning the glass. This product is made of strong magnets. When using, just put one of the pieces into the aquarium, and the other piece can be adsorbed together outside the tank. While moving the outer parts, it drives the inner parts to the inside and outside of the aquarium. Sexual cleanliness. The interior adopts a suspension design to avoid accidentally falling into the aquarium and inconvenient access. Delivery Quantity: 1 Piece Note: High-precision measurement, there may be 1-2cm or 1-3g picture, which is not a quality problem. Due to different monitors, there may be color difference between shooting and pictures.