Magnetic Aquarium Fish Tank Glass Algae Scraper Cleaner Floating Clean Brush Floats avoiding lost magnets on the bottom of your aquarium Non slip griped handle improving cleaning action Super strong magnets for use with varying glass thicknesses Anti Scratch cleaning pads that are highly efficient in removing algae from glass Material:Plastic and high magnet material L size: 105 x 55 x 75mm / 4.13" x 2.17" x 2.95" (L x W x H); Weight: 232g