thermoflask stainless steel kids 14oz straw bottle 2pk punch,eggplant thermoflask keep your kids’ beverages cold all day without a cooler. our double-wall vacuum insulated stainless steel bottles prevent outside temperatures from affecting the inside beverage temperature so your drink stays just the way you like it – all day long. this convenient size fits perfectly in cup holders and backpack pockets. great for school or outdoor activities like sports, camping, biking and more.