The 18 oz mug is made from white glossy stoneware and includes one pair of matching socks made from a cotton, polyester, and Spandex blend that fits shoe size. "Best Friends Stick Together" text and bread with peanut butter and bread with grape jelly character designs are printed onto the front of the mug. The purple socks have an orange toe, ankle, and heel with a repetitive PB & J pattern. Machine wash socks on a gentle cycle with cold water. To best preserve decals, washing the mug by hand is recommended. Dishwasher safe. Microwave safe. The set is packaged in a die-cut box for safe shipping - an acetate band is included to hold the rolled-up socks in place instead of the mug.