- Safe and Durable Material: Crafted from non-toxic ABS resin, the handle is BPA-free and designed for long-lasting use. The double-layer mesh is made from reusable 304 stainless steel, ensuring that coffee grounds do not stick, making cleaning a breeze. - Effortless Cleaning: Simply rinse the coffee filter head under running water after each use. For best results, clean it promptly after enjoying your coffee to prevent dried grounds from becoming tough to remove. - Optimal Coffee Extraction: The double-layer microporous mesh allows you to enjoy the rich flavor and concentration of your favorite coffee, ensuring a superior brewing experience. - Versatile Compatibility: The holder expands up to 118mm (4.65 inches), making it suitable for a wide range of mugs, coffee cups, and glasses, so you can brew your coffee in whatever vessel you prefer. Use Scenarios: 1. Brew your morning coffee directly into your favorite travel mug for a quick and convenient start to your day. 2. Enjoy coffee at home by using this filter with your standard coffee cup, allowing you to savor a fresh brew without the hassle of traditional coffee machines. 3. Use it during camping trips or outdoor adventures to easily prepare fresh coffee wherever you are, ensuring you never miss out on your favorite drink. This coffee filter is designed for those who value quality, convenience, and durability.