vacuum tea mugs, make of double wall stainless steel, 14oz capacity, with various color, Suitable for Outdoor sports and travel. vacuum tea mugs, 12oz capacity, with various color, Suitable for Outdoor sports and travel.Made from food grade 18/8 Stainless Steel inner and 201 stainless steel outside with SS caps,Especially suitable for outdoor sports or travel,Without any lining,safe for water and ...