finum® filters are internationally renown. These filters can be used without a holder, and have an especially long fill-in-flap, which makes it easier to fill with your tea. The flap is also used to fix the filter at the rim of your teapot by closing the lid. They have a pleated bottom, which expands as the tea leaves unfold for full bodied flavor. finum tea filters are made of abaca pulp, cellulose and sealing fiber. They are unbleached and biodegradable. The large size is perfect for you teapot or teacup. Each box contains 100 tea filters.