Safe to use: made of quality transparent soft plastic, these suction cups with clips can be easily adsorbed on the smooth surface like fish tank, doing no harm to your pets, and can be applied for a long time; Please attach them to the clean and smooth surface in order to work well for you Easy to install: there are some holes on the suction cups, you can choose the way you like (hole in the middle or beside) to use the suction clip, vertical or horizontal, just attach the suction cups with clip to the smooth surface, and then you can put some food on the clips for your pets, making your feeding time more convenient and easily Practical feeding tool: this aquarium fish tank clip can securely hold sea veggies, algae, dried seaweed sheets, lettuces and so on, and the fish will not feel being forced to eat an entire days food supply in a short period, thus prolongs enjoyable feeding experience for the fishHelpful decorative accessories: the seaweed suction cup clip is not only a practical tool for feeding, but also can be applied in holding decorating accessories, like betta bed or artificial plants, to create a realistic wild aquarium environments environment for fish Sufficient quantity: the package contains 8 pieces of transparent suction cup clips, with a diameter of 1.57 inch of the suction cup, the amount is quite enough for your daily use and replacement; Let the suction cup soak in water for a while before using it and if the suction cup is deformed, it can be recovered by soaking in hot water