This item is a Fish Tank Filter, made of , 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. Made of material, it doesn’t interfere with your fish tank's other accessories. Features -Color:White -Material: cotton -Size:30.00X26.00X6.00cm/11.79X10.22X2.36in --This fish tank filter media is specially designed for the fish tank, aquarium and aquatic terrarium and such water tank. -The filter media can be washed and reused, and it does not affect the use. -The item can be reused and will not do harm to your fish, much convenient and practical. -Made of well selected , super toughness and resistance to pressure. And it is easy to filter your fish tank water. -The excellent workmanship of our product will bring you a . Package list: 1 x Roll of Cotton Filter