Premium & DurableFish tank magnet cleaner exterior is made of waterproof ABS, with a scratch-resistant hook magic sticker and fabric cushion in the middle, can quickly wipe the dirt in the tank and scrub the dust outside the aquarium, not easy to scratch the glass, safer and easier to use. Super Strong Magnetic ForceAquarium glass cleaner magnet with an anti-rust super strong adsorption magnet inside, just gently move the outer brush that is adsorbed outside the tank to easily clean the dirt on every corner of the inner wall of the aquarium and will not get wet hand and affect aquatic flora and fauna in the tank. Non-slip Comfortable HandleThe surface of the magnetic algae scraper has a non-slip texture design, comfortable to hold, easy to use, and flexible to move. A good tool choice for fish lovers to clean the fish tank, making your fish a clean and healthy living environment. Mini Floating DesignAquarium magnet cleaner brush size: 10 * 8 * 2.3cm, perfect for 3-6mm thick small glass aquariums (under 20 gallons). Special floating design, when the scraper is separated, will float on the water's surface, not easy to sink into the bottom of the fish tank, and easy to pick it up with tweezers. NOTE: Do not get close to the magnetic card watch, etc. It is forbidden for patients with a pacemaker installed!! Specification: Material: plastic/magnet Size: 10 * 8 * 2.3cm Color;Blue