Features: 1.With humanized handle design, it's feel relaxed and comfortable to take ease while going around the corners of the tank smoothly. 2.Made of high quality PVC material, sturdy, durable and long service life. 3.Fashionable color matching design, beautiful and attractive. 4.Suitable for fish tank of 40cm-2m with glass thickness of 4-25mm (different types of magnetic brush applicable to different fish tanks) 5.Floating design, after separation, floating naturally in water. 6.Front and back circular arc design, you can easily clean fish tank corner parts. Specification: Item Type: Fish Tank Magnetic Brush Model: AQ Material: PVC Color: As Pictures Shown Optional Size: S, M, L, XL Suitable Glass Thickness: Approx. 4-25mm/0.16-0.98inch S Suitable Aquarium: Approx. Below 40cm/15.75inch M Suitable Aquarium: Approx. 40-80cm/15.75-31.50inch L Suitable Aquarium: Approx. 60-150cm/23.62-59.06inch XL Suitable Aquarium: Approx. 80-200cm/31.50-78.74inch Small Size:Approx. 7x4x6cm/2.8x1.6x2.4inch Medium Size:Approx. 9.5x5x8cm/3.7x2.0x3.1inch Large Size: Approx.10.5x5.7x9cm/4.1x2.2x3.5inch Extra large Size: Approx.12x6.5x10cm/4.7x2.6x3.9inch PackageList: 1 x Fish Tank Magnetic Brush