high quality promotional mug, 1, pass SGS test 2, double wall vacuum, 3, 460ml/16oz capacity, 4, non leaking button lid High quality Promotional mug,460ml / 16oz capacity, Made from food grade 18/8 Stainless Steel inner and 304 or 201 stainless steel outside. Nontoxic, Eco-friendly.Especially suitable in promotional, gift, travel, outdoor sports,promotional mugs inner without any lining,safe for ...