Diguo Alcohol Lamp Wick for Hario Syphon Siphon Coffee Maker and Yama Syphon Coffeemaker - Pack of 10pcs Material: Cotton fiber core wire Length: 10.4cm Diameter: 1.0cm Applicable: Alcohol Lamp Wick Replacement Wicks Lamps Cotton Core for Hario Syphon Yama Siphon Coffee Maker and Other Syphon Coffeemaker Pack of 10 Items are new, never used.