June The Compact Steriliser The June The Compact Steriliser ($9) functions as a collapsible carrying case and a portable steriliser. To use the compact to clean your cup, all you have to do is pop your cup into the case, pour in boiling water (carefully!) and wait for five minutes. Image Source: thejunecup.com June The Compact Steriliser $9 from thejunecup.com Buy Now