The Kitchables Double Walled Insulated Coffee Mugs are a set of 4 clear borosilicate glass cups with a capacity of 236 mL each. These modern coffee mug set features a solid round shape, making them suitable for all occasions. The double-walled thermo insulated cups are freezer and microwave safe, perfect for keeping your beverages at the desired temperature. With a sleek design and practical features, these Kitchables mugs are a stylish addition to your kitchen or dining area.