Vintage Sunfrost Therm-O-Ware Mug Purple White Federal Housewares Chicago 45

This is a vintage Sunfrost Therm-O-Ware insulated mug by Federal Housewares of Chicago, marked “Chicago 45” on the base. It features a vibrant purple textured exterior, white interior, and matching purple handle. • Brand: Sunfrost / Federal Housewares • Style: Therm-O-Ware Mug • Color: Purple with white interior • Material: Plastic (double-walled insulation) • Era: Likely mid-century (1950s–60s) • Marked: “Sunfrost, Federal Housewares, Therm-O-Ware, Chicago 45” Notes: This mug has stood the test of time and makes a great collectible, display piece, or everyday retro drinkware. Interior shows typical age wear including light staining (see top view photo).