Insulated Stainless Steel Tumbler - Sunflower Field - 30oz About 2024 New arrival drinkware. Used for both hot & cold drinks. Great DIY Gift for Friends.   Key Features Functionally lightweight, slim and easy to hold. It's capacity can satisfy your daily needs and comfortable to grip. Made of stainless steel, constructed with double-wall vacuum insulation, keep the drink hot or cold for hours.