This design was inspired by the book Avalon Tower and is officially licensed by authors C.N.Crawford and Alex Rivers. Product features - 16 oz clear tempered glass construction - Vibrant, crisp full-color printing - Optional bamboo gasket-push lid with Tritan straw - Durable, heat-resistant Tritan straw (BPA-free) - Hand wash only — made in USA from globally sourced materials Care instructions - Hand wash only - Dry thoroughly with a towel or air dry with the lid removed