20 boxes of raw pre - rolled cone filters in cardboard.. . - material: unbleached cardboard filters. . - presentation: 20 box of 21 cone filters. . - specificities: 20 boxes of 21 cardboard cone filters. pre - rolled cones. cardboard filter rolled in w to avoid tobacco twigs on the lips. . - dimensions: filter: length x width (cm). 2.1x0.8cm