Lightweight & Compact SizeThis brush is cute and lightweight, the size is 1.461.460.98in. The design conforms to the curve of the hand, you can hold glass cleaning comfortably.Its small size can be placed in the corner after use which is not affect fish watching activities. Easy to UseYou don’t need to wet your hands to clean your tank ,you just move the external magnet while the internal magnetic brush will follow to clean with ease which will save your time.Small and arched fish tanks are also suitable, it can bypass the square corners, no corner is missed. Efficient CleanThe inner abrasive velcro can effectively clean tank and will not scratch glass. Be sure that nothing gets stuck to the magnet substrate while scraping the tank. Non-Slip DesignErgonomic concave design is suitable for palm gripping to make the brush move flexibly. Strong magnetism makes the 2 magnet pieces attached to the wall tightly without falling off. Powerful Magnetic ForceThis mini magnetic fish tank brush