Material : made of clear glass, strong and durable, highly transparent and easy to clean, a great aquarium accessory. Permeable Holes : The hole at the bottom of the pot promotes water circulation and absorbs more oxygen, which is conducive to the production of aquatic plants. Technical specifications : the diameter is about 6 cm and the height is about 7 cm. The inclined design has a positive effect on light absorption and promotes photosynthesis. Stable Suction Cup : Thanks to its double suction cup, the aquarium glass flower pot can be hung firmly on the aquarium. You don't have to worry about it falling off the aquarium wall. Practical decoration : can be used to grow small aquatic plants to increase oxygen content or as a feeding pot.