Product description Size: Small: 70*37*64cm Medium: 96*46*68cm Large size: 107*58*70cm color: blue Material: Plastic Magnet Package content: 1pcs suction fish tank brush 1.Material: magnetic glass cleaner is made of plastic and strong magnetic material; 2.HIGH QUALITY: Floating design avoids lost magnets on the bottom of your aquarium and makes it convenient to use. Strong suction and strong magnetic attraction, when you move the outer magnet, the inner magnet will follow and therefore clean the glass. The inner brush will not sink into the deepest depths of the aquarium as it floats. 3.Easy to use: The non-slip handle improves the cleaning effect, while the scratch-resistant cleaning pads are highly efficient at removing algae from glass. 4.Efficient: No need to drain the water, then use the dishcloth to clean your tank. Just wipe the outside, the inside cleaning brush follows the outside handle, a few minutes will clean the inside. 5.Application: Streamlined design and beautiful shape, suitable for use with different glass thicknesses. Clean algae and debris from the inside of your aquarium. It is suitable for all types of tanks, such as acrylic, glass or plastic etc. that do not demagnetize