Features: 1. Easy to clean. The internal contact surface of coffee filter with the coffee is made of ABS material, which has good self-cleaning properties. The stainless steel mesh is polished, and the coffee powder residue is difficult to adhere. 2. Folding design of coffee filter, makes it portable and convenient. 3. Double-layer structure, the coffee filter effect is equivalent to filter paper (no filter paper is needed), the inner layer is woven by ultra-fine metal wire with high density to isolate coffee powder, the outer layer is thickened with stainless steel sheet, and an extra layer of protection. 4. Wide Application: Widely used in mug, ceramic mug, stainless steel mug, glass cup, etc. 5. Applicable cup diameter: 76mm-110mm inner diameter. 6. Cup: Dust-proof design of the rotating swivel drinking spout, suitable for temperature range: -18-215C, open the lid, can be used for microwave heating Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. 2. The cup lid is spill-proof but not leak-proof, please do not put it in the bag. 3. Style A include coffee filter only, cup is not included. Style B-E include both coffee filter and cup. Specification: Type: Coffee Filter/ Coffee Filter and cup set A: Material: stainless steel + ABS, Coffee filter: unfolded width: 118mm, folded width: 75mm, overall height: 73mm Applicable cup: 76mm~110mm inner diameter Include: Coffee filter B-E: Material: coffee filter: stainless steel + ABS, cup: glass+food grade silicone Cup capacity: 340ml Cup: Diameter with lid: 95mm, Height with lid: 130mm, Cup inner diameter: 78mm Coffee filter: unfolded width: 118mm, folded width: 75mm, overall height: 73mm Applicable cup: 76mm~110mm inner diameter Include: Coffee filter+cup includes: Choice 1: 1 x coffee filter Choice 2: 1 x coffee filter 1 x cup