Have you checked out the Double Wall Glasses from Bodum? They are a great drink-ware option for many reasons! They provide a coffee experience like no other! We use them here in the office every morning and LOVE them! While keeping your beverage hot or cold, the cups themselves do not get too hot or too cold to handle, which is a really great feature. They are both dishwasher and microwave safe and are mouth blown for handcrafted quality. The cups come with a year manufacturers warranty through Bodum directly. The Bodum cups are definitely a conversation piece you will want to add to your kitchen! Check them out here!