Easy and Quick: You simply slide the no-scratch curved handle inside your aquarium, the scrubber will follow while cleaning Super Magnetic: Powerful suction force, less time spent, more energy saved when you clean the fish tank Floating Design: Applied on the inner surface of the glass,Clear water difficult to remove attachments,avoid accidentally falling into the water tank, not suitable to take Scope of application: Applicable to all kinds fishbowl size 30-50cm, glass thickness less than 4mm Wrist Anti -sliding: Non-slip handle increases friction with the hand, in order to facilitate cleaning