"The Barista Kit is a full set of accessories that allows you to brew a double shot of espresso (16 g of ground coffee) from your Nanopresso. Thanks to its high pressure extraction of 18 bar, Nanopresso takes full advantage of the larger filter basket and surpasses the extraction quality of most home espresso machine. Coffee lovers will be pleased to enjoy unbelievably rich espresso. The double espresso basket is a unique feature that can not be found in any other portable espresso machine. Note: This Barista Kit is only compatible with the WACACO Nanopresso Package includes: The Large water tank (140 ml),the larger espresso cup, twodouble espresso filter baskets (16g of ground coffee) with cap, one single espresso filter basket (8g of ground coffee) with cap, the double espresso adapter ring,one tamper and the instruction book(english/chinese). [#subtitle]Double the espresso, double the fun![/subtitle]"