One Size Fits All: The sink strainer bag is made of high-quality polyester, with excellent stretchability. It fits all sizes of kitchen sink strainers, bathroom sink strainers, washbasins, sinks, floor drains, and shower drains. NOT FOR TRIANGLE TRI-HOLDER FILTERS. Drain Cover Hair Catcher: Fine mesh, lightweight polyester material, mesh diameter less than 1mm, no omission in filtering. Use in bathrooms and kitchens can prevent kitchen sink, floor drain, and shower drain from being clogged by hair, food scraps, fabric, and other debris. Easy to Use: The sink strainer bag is very easy to put on stainless steel sink strainers and very easy to replace. Disposable, no cleaning of the mesh filter bag by hand, just gently lift it up and throw it in the trash after use. Package Includes: Set of 200 disposable sink strainer bags and 1 PP outlet box, if you use 2 bags every day, the sink strainer mesh bag set would last for more than 3 months, which is a great value for your cleaning tasks.