New printed design bottle collection - "Ichimatsu" pattern is a bi-colored checkerboard pattern that has been in existence in Japan since ancient times; Glossy finish with a matte print Lids interchangeable between 2 models, SM-TAE48 and SM-NAE48, allowing for a wide choice of color combinations and use 2-Step lid release process prevents excess condensation on the stopper from being flung off while the lid opens; Stopper disassembles for thorough cleaning Easy-to-clean double layer nonstick Coated interior enhances durability, and provides greater protection of the Stainless steel against salt-containing beverages like sports drinks Safety lock to prevent the lid from opening accidentally