Beer Mug & Beer Steins, SUS304 Stainless Steel Travel Coffee Mugs,Espresso Cups,8oz/250ml Double Wall Air Insulated Tea Cups and Saucer,Drinking Beverage Cups Instead of Glasses Drinkware Our beer mug is made of kitchen grade 18/8 stainless steel. Good for toasters, no matter how hard you cheers! Never worry to break it when you touch the mug with others'! Double wall with air in between, so the heat from your hand doesn't warm up the beverage inside. Your beverage stays ice cold or piping hot, while the outside of the mug stays room temperature. Premium 304 stainless steel,made of kitchen high quality grade 18/8 stainless steel.Double walled with air in between, ensuring your beverage (beer or coffee) stays the cold or hot for a long period of time. Perfect for coffee cup and beer cup drinkers,doesn't matter what beverage you prefer, the stainless steel mug is stylist, manly, elegant and perfect for any beverage 1 YEAR warranty guaranteed. If you are not satisfied with the quality or something else, please feel free to contact us, we will get it solved as soon as we can.