If you are looking for a practical filter bag for the fish tank, this product will be a wise choice. This is a fish tank filter bag, which is made of for safe use. Fine workmanship ensures practicality and safety. The set contains 3pcs, they can meet your fish tank filtration needs. Features -Color: White. -Material: Polyester. -Size: About 24.00X11.00X0.50cm/9.43X4.32X0.20in. - This fish tank bag filter provides biological filtration to the aquarium, helps to stable water quality. - Increase the oxygen solubility. Good permeability, good filtration effect, easy to clean. - Working noiselessly, very durable, can greatly meet your practical needs, can be used for years. - The set includes 3pcs, accessories for your tank and aquarium. - Sturdy structure design, but has the good filtration effect without affect the flow. Package list: 3 x Aquarium Filter Bags