Customer need to know : Please note ,the turtle brush is about 20 cm high, 7 cm wide, it is pretty big, if your turtle tank is small, it may not suit your tank . Equipped with 3 powerful suction cup, this brush stays firmly in place inside your turtle's tank. Whether your turtle is active or stationary, the brush remains secure, making cleaning a breeze Effectively Removes Dirt: This brush is perfect for removing tough mud dirt that accumulate on your turtle's shell. It helps keep your turtle's shell clean .ensuring they stay healthy and comfortable. Gentle Yet Effective Cleaning: With soft yet durable bristles, this brush gently scrubs away dirt without causing any harm to your turtle’s shell. The bristles are designed to be firm enough to clean effectively but soft enough to avoid any abrasions. Easy to Install and Use: The brush attaches easily to the bottom or side of your turtle tank with its strong suction cup, allowing for hands-free cleaning. Simply place it in the tank, and your turtle can scrub itself clean as it moves around. Comes with 2 Brushes : Two brushes for your turtle to clean, one fixed large brush for turtle to scratch and play , you can use the small brush to clean the place where it is hard for turtle to self clean . turle clean brush