Features: User-Friendly Design: Our cleaner features a compact yet sturdy construction, with smoothes edges to prevent scratches on your fish tank glass. Its intuitive design ensures effortless operation, making aquarium maintenance a breezes for hobbyists of all level SUPER STRONG MAGNETIC AQUARIUM BRUSH: Easily cleans aquarium glass inside and out. The wiping surfaces of the aquarium glass wipe consists of an anti-scratch surfaces. It will not scratch the fish tank glass. MAGNETIC DESIGN: There are magnets on the inside, strong magnets make it firmly attached to the aquarium, don't worry about it coming off easily when cleaning. Simply attach it to the glass NON-SLIP HANDLE: The fish tank brush is lightweight and small enough to clean those corners well. The non-slip handle design makes it very comfortable for your hand to hold and use. It can be moved without too much force when scrubbing. Wide Application: Our fish tank cleaner magnets brush is small in size and has great effect. The algae-removing fish tank brush is suitable for cleaning various fish tanks, such as aquarium glass, window, glass doors Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size(including blades) Small: 4*10cm Medium: 5.5*12.5cm Large: 6.2*14cm Suitable for fish tanks: Small: 20-60cm Medium: 40-80cm Large: 80-120cm Suitable glass thickness: Small: 3-5mm Large: 4-10mm Medium: 8-18mm Package List: 1x Fish Tank Magnetic Cleaning Brush