This product is made of high-grade material, specially designed for fish tank. With this planting cup set, you can planting the water plant easily, build a environment for your . Perfect for as a gift to the people who like feeding fish. Features -Color: As shown -Material: Ceramic and plastic -Size: 4.50X4.50X3.00cm/ 1.77X1.77X1.18inch -Made of high-grade material, durable and practical, with craftsmanship and good texture. -Flexible and resistant to sunlight, they are easy to clean and can be reused indoors and outdoors. -Convenient for grabbing and fixing in the hydroponic container, allows the roots to grow healthily. -Can be used for a variety of soil-based and hydroponic media, help you to easily planting. -Suitable for many occasion, such as fish tank, aquarium, small pool, small pond, etc. Package list: 5 Rings 20 x Pots