DescriptionAre you looking for a professional, yet affordable fish tank filter bags ? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional fish tank filter bags cage must meet you needs.It is one of the best choices for you.Features-Color: White-Material: Cotton -Size S: About 15.00X10.00X10.00cm/5.90X3.93X3.93in ch-Size M: About 20.00X10.00X10.00cm/7.87X3.93X3.93in ch-Size L: About 25.00X10.00X10.00cm/9.84X3.93X3.93in ch-Size XL: About30.00X10.00X10.00cm/ 11.79X3.93X3.93inch -Made of high class filter cotton material, which is supple, durable, andwith high density. -Wetland water purification principle is applied to block the dirt, obstacles, and other substancesto prevent bacterialgrowth. -Special constructionmakes it breathable, water pervious, so as not to block the flow of water. -Excellent fiber fine, which can be very effective filtering impurities in water. -Convenient for you to clean, machine washable, no deformation.