Aspen Green Travel MugTranslated from Japanese, asobu means "fun and playful," and that is exactly what asobu water bottles keep front and centre. Sometimes you want hot and sometimes you want cold. We get it. This Special Edition Aspen with Puramic inner ceramic lining was designed as a travel bottle for both hot and cold drinks! Its a 2 in 1 insulated, double walled stainless steel 20oz travel companion with a dual functioning leak proof lid featuring a built in flip up