●Coffee Filter, Stainless Steel: No metal smell, rust and crack resistant. Material: Stainless Steel, Silicone Rubber ●No paper filter needed: Can be used repeatedly, reducing waste, making it eco-friendly and economical ●Double layer mesh with fine mesh: Prevents dust from entering the cup or pot. The mesh dripper can extract even the oil content of beans and allow you to enjoy the richness and depth of beans ●Easy to maintain: Light and easy to handle, simply rub it gently with a soft sponge when washing ●30 Days Long Term Worry-Free Warranty: For initial defects within 30 days after purchase. In the event that the product is defective, please contact us by email and we will respond quickly. Inquiry method: "Account Service" → "Order history" → "Contact seller"