Good Performance: The aquarium suction cup has the strong adhesion, it can be stuck on the aquarium surface perfectly. The clip of which can fix the heating rod or the water tube in the clean position firmly. It is not easy to fall off. Safe Material: The aquarium suction cup clip is made of high quality plastic and rubber, it is safe and eco-friendly, it does not affect water quality, durable, it can be used for a long time. Easy to Use: The aquarium suction cup holder clip is easy to install and remove, you just need to press it on the surface you want to stick and fix the heating rod with the clip. And It can be easily removed by pulling it out. Product Size: The size of the black aquarium suction cup is 3.3cm in width and 4cm in height, and the diameter of the clip is 2.4cm , it is suitable for the heating rod or the water tube up to the diameter of 2.4 cm, it is small but practical, and it does not affect the beauty of the aquarium. Wide Uses: The plastic aquarium suction cup is