The Nylon Filter Bags Strainer comes in three sizes: 15x20cm, 20x30cm, and 30x45cm, each packaged individually. Made with food grade nylon mesh and featuring 100/200/300 mesh options, these colanders and strainers are ideal for eco-friendly food filtration in the kitchen. The material is strong, flexible, and resistant to wear, high temperatures, corrosion, and weak acids. In addition, it offers good electrical insulation and flame retardant properties. Use these bags for filtering various liquids, from wine to fish tank water. Please note that there may be slight color variations between the website's photo and the actual item due to lighting and monitor settings. Additionally, there may be a 1cm difference in measurements due to manual measuring.