Easy to clean, Our premium, food grade 18/8 Stainless Steel wont rust or tarnish.Keeps Drinks Hot or Cold Longer -The tumbler is double-walled and vacuum insulated. 2 layers of insulation to maintain your drinks temperature no matter the outside climate.Keeps liquid hot for up to 6 hours, cold for up to 24 hours. Enjoy you drinks at the temperature you want Comfortable and Elegant - Each mug is 12 ounce.The metal mugs have an attractive curved shape. A welded ergonomic handle stays securely attached and allows users to fit 4 fingers comfortably. The mug has a flat, stable bottom that sits flush on counter and table tops.Perfect for Gifts - Each set arrives at your door in our sophisticated gift box packaging, perfect for the coffee lover in your life.Rugged, durable design makes these the best outdoor camp mug. Drink with confidence on your next adventure - at the beach, by the pool, on the boat.Also works great for your favorite icy cold beer, juice or cocktail.Produktbeschreibung How big are they? 12oz Capacity (to the brim) 4.33 Tall 3.34 Outside Diameter cold drinks cool for up to 9 hours, without sweating. hot drinks warm for up to 3 hours, while the outside stays cool to the touch. So feel free to use it for your coffee, tea, water, juice, iced tea, beer, cocktails, and any other hot or cold beverage you want Coffee cup is easy to clean, it is recommended to wash by hand Best Uses Giving a gift to a special someone for a birthday, anniversary, housewarming, graduation or Christmas Replacing broken ceramic coffee mugs On an adventure camping or hiking Boating, out on the deck, or by the pool