These are the most durable and light-weight stainless steel cups you will ever use. The wide mouth allows for easy pouring and the plastic around the cup ensures that the tea/coffee stays at the correct temperature a little longer without your feeling the temperature of the liquid inside the cup. They have an easy to grasp handle that makes it comfortable for any hand size. These are dishwasher safe but NOT microwave safe. They are not only dishwasher safe but can be put through the washer and dryer too. Not only that, these cups are BPA free and can be used for storing and serving hot or cold drinks. This stainless steel tea cup set, coffee cups set of 6 is the perfect gift as it adds luxury to your table or kitchen. Use the steel lids as coasters for indoors or outdoors. Keep them on your table, in your kitchen, in your car, at your work place, or anywhere you like to enjoy your cup of tea or coffee. Great replacement for non-reusable plastic drinking cups / breakable ceramic mugs.