The paper filters are suitable for filling with loose tea. The following sizes are available: - Size XS (approx. 13 x 6.2 cm), double bottom fold, with flap, chlorine-free bleached, up to 250 ml, 100 pieces/box - Size S (approx. 6 x 7.5 cm), double bottom fold, with flap, chlorine-free bleached, up to 800 ml, 100 pieces/box - Size M (approx. 18.5 x 8 cm), without bottom fold, without flap, chlorine-free bleached, up to 1,100 ml, 100 pieces/box - Size L (approx. 13.2 x 10.2 cm), double bottom fold, without flap, chlorine-free bleached, up to 2,000 ml, 100 pieces/box