For juggling your busy schedule, work, kids, class, etc, the most Trendy size of Klean Kanteen bottle, the 27oz Kanteen Stainless Steel H2Obottle is ideal; small and lightweight. Just like every bottle made the Klean Kanteen, the 27oz is earth friendly, BPAfree and made of 100 recyclable, highquality, food grade stainless steel and has no internal lining so your beverages will never taste like plastic or chemicals. With a wide mouth design, ice cubes slide in with ease and cleaning is a breeze, use soap H2O or throw it in the dishwasher.