The JZMYXA Aquarium Heater Clip Holder is made of high-quality materials that are designed to last. The clip is made of a flexible plastic that will not break or deform under pressure. It can be used in any aquarium setup, including stand-alone tanks or tanks with a hood. The clip has a leaf shape design that allows it to fit into the majority of standard aquarium heaters. It also features a black color that will not affect the color of your water.