These filtration mesh bags are an excellent addition to your aquarium maintenance routine. The black mesh material is not only functional but also discreet, blending seamlessly with your tank's aesthetics. The zipper closure makes it easy to add or replace filter media, providing a to keep your aquarium water clear. Features -Color:Black -Material:polyester -Size:20.00X14.00X0.20cm/7.86X5.50X0.08in -Secure zipper design: the zipper closure ensures filter media stays securely inside the bag, preventing leaks and making it easy to replace media when needed -selected polyester material: constructed from sturdy polyester, these mesh bags are resistant to wear, ensuring safe and use in aquariums -Optimized filtration: the mesh design allows for efficient water flow, preventing clogging and enhancing the filtration process for cleaner and healthier water -Reusable: designed for repeated use, these bags are easy to clean and maintain, providing a practical solution for aquarium filtration -Versatile application: suitable for various filter media types, including zeolite rocks, and aquarium soil, meeting diverse filtration needs Package list: 15 tank filter bags