ea Filter size small Up to 4 tea cups finum filters are internationally renown. The variety of sizes give each tea enthusiast the chance to enjoy their tea in their individually preferred manner. Our oxygen bleached paper is famous for its unique true-flavor filtering qualities. They are chlorine free and biodegradable. The double-fold bottom of the filter provides the tea leaves enough room for their flavor to fully unfold. With a practical long fill-in-flap, which makes it easier to fill in your tea. The flap is also used to fix the filter at the rim of your tea pot by closing the lid. The Finum disposable tea filters of natural FSC-certified fibers, come in various sizes – perfect for any cup or large pot. | These tea filters can also be used without a filter holder as the filling flap facilitates the removal of the filter after brewing. | The filter can be sealed in the manner of a “tea bag” by folding the filling flap and closing it with any filter holder, e.g. piercing the filter with the Filter Stick. | Made with chlorine-free bleached, biodegradable paper | This size S is for mugs.