Zojirushi Stainless Steel Water 600ml Seamless Lid and Easy Cleaning 3 Parts to Bottle, Capacity, One-Touch Opening, Navy, Gasket, (Only Wash),

A "seamless stopper" that combines the stopper and gasket into one unit. "Rakuria Coat Plus" is highly water-repellent and resistant to dirt. High heat retention and cold retention thanks to its thermos structure. The main unit is fully washable!