Studio Oh! Ceramic Mug, It's a Good Day, Multicolor Visually appealing, generously-sized 4.5 x 4-inch ceramic mug holds nearly 20 ounces of hot or cold liquids Custom-designed mug features original four-color artwork and inspiring words to live by Artwork faces both sides making mug suitable for right-handed or left-handed users; microwave and dishwasher safe; dolomite-free The Words to Live By collection also includes trinket dishes and art prints The Studio Oh inspired collections of finely crafted and cleverly designed journals, planners, home and kitchen accessories are available on Amazon