Description Suitable for the use of various types of fish tanks of 2mm-8mm glass. The Small size of the Brush yet makes a perfect cleaning effect for you! The exterior has been carefully designed to glide over the fish tank like a submarine marching through the ocean, creating a brand-new visual effect compare to before. Features - Color: White -Material:ABS - Size: 3.20X3.20X3.00cm/1.26X1.26X1.18in -Our Magnetic Brush provides a good solution to your hand size, it doesn't matter if your hands are big or small, everything is in your control. -The first time you use it, you should open the Cleaner by twisting 90, and then start using it. -Featuring good absorb ability and powerful magnetic attraction, you can clean the tank easily. -The inside Brush will not sink into the farthest depths of the fish tank as it is floating. -Super strong magnets for use with glass from 2m to 8mm thicknesses.Package list: 1 x Magnetic Fish Tank Brush