The mug is made from high-quality materials and is dishwasher and microwave safe, so you can enjoy your beverage worry-free. It's also made in the USA, so you can support American craftsmanship. Dishwasher Safe: Keep your treasure chest (and your mug) clean with ease. Our mugs are designed to handle the dishwasher's rigors, so you can get back to your swashbuckling adventures. Microwave Safe: Warm up your favorite brew without a worry. These mugs can handle the heat, ensuring your coffee or tea stays piping hot. Features: Handcrafted in the USA Dishwasher and microwave safe FREE shipping within the United States 11oz and 15oz sizes available How I make my coffee mugs: I use my magical powers to summon a high-quality coffee mug from the ether. I chant ancient incantations to imbue the mug with the power to hold hot beverages. I use my trusty printing press to apply my custom design to the mug. I ship the mug to you, where it will bring you joy for years to come. Or, to put it more bluntly: I source quality coffee mugs and then print my designs on them. I make my coffee mugs by carefully selecting the finest coffee mugs from the world's most exclusive mug farms. I then hand-pick the perfect design and print it on the mug using a secret process that involves unicorn tears and moonbeams