EASY TO USE AND STORE: mini aquarium, it is convenient to use and store the brush. ABS material production, ultra-small size of 4*3.4cm. ECO-FRIENDLY: one part is used in the fish tank, while the other is moving, it cleans the glass with a highly design. magnetic. Then the water quality in the aquarium will be improved CLEANING TOOL: Our magnetic aquarium glass cleaning brush can be used to clean the aquarium and provide the fish with a pleasant environment COMFORTABLE GRIP: The aquarium brush is ergonomic, comfortable to grip the brush. And the inner brush won't sink into the deepest depths of the aquarium, because it floats. HOOK AND LOOP DESIGN: It's very convenient to clean the aquarium and not scratch the aquarium This magnetic brush is specially designed to clean the glass of aquariums. One part is used in the fish tank, while you keep the other part moving, it will clean the glass with high magnetic design. The magnet has an effect on water magnetization, which can kill bacteria to improve water quality. The highly magnetic design will thoroughly clean the glass and won't scratch the glass. It is a great cleaning tool for fish tanks or home window. Specifications: Material: ABS + Magnet Size: approx. 4*3.4cm Thickness of aquarium: less than 8 mm/0.31 in Package list: 1 * aquarium brush< /p> Features: Easy to use and store: mini aquarium brush, it is convenient to use and store the brush. Magnet design : designed with the magnet, which can kill the bacteria in the aquarium water and promote the water quality. Cleaning tool: can be used to clean the aquarium and offer fish a good living environment. Comfortable grip: the aquarium brush is ergonomic, comfortable to grip the brush. Hook and loop design: it is very convenient to clean the aquarium and not to scratch the aquarium. Great cleaning tools for the family~