Auntie Acid Contoured Acrylic 16Oz. Funny"Be Nice To Nurses" Travel Tumbler Be Nice To Nurses Travel Tumbler The biting humor of Auntie Acid gets your favorite caregiver through the day. Contoured acrylic 16-oz. tumbler has an inner stainless steel wall, non-skid base and plastic sipping lid to prevent spills. 7" tall. Hand wash. Not microwave safe.