The Vintage Corelle Corning Wildflower 8oz Coffee Tea Mugs Cups Set of 4 are a charming addition to any kitchen or dining room. Made in the USA in the 1970s, these round, floral patterned mugs feature a multicolor design that adds a touch of nostalgia to your tea or coffee brewing experience. Crafted with a combination of sand, soda ash, and limestone using thermal tempering production technique, these original Corelle mugs are perfect for all occasions and are sure to delight any collector of vintage dinnerware.