This item is a fish tank filter media, made of natural coral material, very sturdy and durable to use. This product is suitable for many occasions, the size is fit for most fish tanks. Suitable for fish tank and aquarium, and bring much convenience to you. It can bring you convenience to clean fish tank water. Features -Color:Light Yellow -Material:Coral -Size:3.00X3.00X0.50cm/1.18X1.18X0.20in - Lightweight and compact. Easy and convenient to use, and easy to store when not in use. - You can cut this Aquarium Filter Media into different size and length based on your needs. - With these coral you can add beauty to all your needs, and the quantity can meet your multiple needs. - Aquarium Filter Coral is supposed to be a perfect gift to your friends and families. - Create a stunning underwater landscape with our coral decoration, providing a beautiful backdrop for your fish to swim in. Package list: 1 x bag of crushed coral