HIGH QUALITY BRUSH:the aquarium brush made of high quality sponge,it could remove the alge quickly and effectively,keep your fish tank inhabitants a clean environment. NON SLIP HANDLE: the brush handle made of premium plastic,sturdy and durable,with non slip handle surface,make this clean work more easily. EASY TO STORE:designed with a hole on the end of the handle,more convenient for you to hanging and store,keep the brush head dry and use for long time. CONVENIENT USED:this algae scraper brush suitable for glass fish tank, a great assistant tool for your aquariums. BUT not sutiable for Acrylic fish tank, and plastic fish tank. PLEASE NOTE:please rinse the brush pad with tap water before and after each use, keep the brush head clean and dry before store.