Quantity: 5 pieces White color Product size: 12*25 cm SAFE AND DURABLE: The aquarium filter bag is made of soft and safe material, with double needle structure, the fibers will not fall off and harm fish. 2 IN 1 FILTRATION: The drawstring cleaning bag can be used as a filter bag or filter felt, the size of the aquarium filter bag is 12*25cm, so just clip it to the water pipe outlet or lay it down lie flat in the filter box. REUSABLE - The bag is very easy to clean, hand or machine washable and will last a long time. Practical filter accessories: using Ecological wetland filtration theory, filter socks help remove suspended solids and adsorbed particles through filtration, providing a clean and healthy living environment for fish. Wetland net kit aquarium cleaning: package includes 5 replacement filter bags for aquarium, aquarium, chemicals, etc. Good quality product