The Glasbake J-2200 Set of 5 Milk Glass Stackable Square Handle Mugs is a vintage set of mid-century modern mugs made in the United States. Each mug has a solid multicolor design with a square shape and a glossy finish. These 10 oz mugs are perfect for all occasions and feature a retro theme, making them a unique addition to any kitchen or dining collection. The stackable design and molded glass production technique add practicality to their stylish and nostalgic appeal.