Description: - Every tool has been carefully designed to make this product beautiful and is also very comfortable to hold while in use. Cleaning the fish tank will be a joyful experience. - The brush is waterproof, just needs to be adsorbed on the glass, no fear of brush damage. - This magnetic brush could be the perfect tool for cleaning aquariums or aquariums. It will help you remove the algae on the glass and create a clean environment for fish or other aquatic animals and keep your aquarium clean. How To Use: Step 1. First put a piece without a handle in the aquarium, then put the brush with the handle outside of the aquarium, hold it the adsorption state of the two brushes. Step 2. Start moving the outer magnetic brush to drive the magnetic brush in the aquarium to clean the tank wall of the aquarium. Step 3. The magnetic brush adopts a floating design, if you remove the outer magnetic brush outside of the aquarium, the magnetic brush in the aquarium will float on the magnetic brush in the aquarium that will will float the water, convenient for taking and cleaning. Specification: Material: Magnet, plastic Color: Blue White Size: 75 x 60 x 40 mm / 2.95 x 2.36 x 1.57 inches Glass thickness inside: 4 mm Package list: 1 x Fish Tank Clean Brush