Inverted cone shape coffee makerLightweight, flexible, high-grade stainless steel with a unique stowing system. Comes with its own filter or use #2 cone coffee filters from your local grocery storeSet includes mesh bag and 10 coffee filters Helix Coffee Maker Specifications:Materials: 18-8 stainless steel (SUS304 WPB Heat Treated)Weight:: 46 g (1.6 oz) Carry caseMaterial: NylonSize: 135 x 120 mm (5.9 x 5.5 inch)