Set of 6 Retro "Enamelware" Style Porcelain Coffee Mugs - Mint, Aqua & White - 12 oz Set of six porcelain coffee mugs. Each holds 12 oz. Set includes two of each retro pastel color, mint green, aqua blue and white. Designed to resemble vintage enamelware mugs. Safe for use in the microwave and dishwasher. A stylish addition to your kitchen's decor.