Cool Gift for woman, funny water bottle coffee cups for friends, coworkers, 20 oz double-insulated tumblers with straws brushes Widely applied: This wine tumbler has a double walled exterior with a vacuum sealed area between the walls, which can make maximum insulation to keep your favorite beverage original temperature as long as possible. The tumbler is suitable for storing many beverage such as wine, beer, water, juice, cocktails, coffee, champagne, can be applied at home, office, pools, hot tubs, the beach, picnics or anywhere else outdoors. Specifications: Material: 304 stainless steel Cup capacity: 20 oz Color: as shown in the picture SOME RECOMMENDATIONS & NOTES ABOUT OUR TUMBLER We suggest hand washing with warm soapy water and dying well with soft towel. Do not overfill to avoid leaking when putting a lid on. Do not heat on an open flame or stove. Do not use the microwave oven for heating. Please cover the cap after adding the hot water in order to protect your child TAKE NOTES: We encourage you to wash your tumbler before your first use for a better experience. Do not put a lid on the tumbler when the water boils at 100 degrees.