Happy birthday to you! 15.5 oz mug, packaged in a printed open-faced acetate box, is made from new bone china and includes one pair of matching socks made from a cotton, polyester and Spandex blend. Fits shoe size - Women's US 9-13 EURO 39-43; Men's US 8-12/ EURO 41-45. "Happy Birthday To You" text and accompanying design is printed onto the front of the mug while the socks feature a sewn-in streamers pattern. Looking for a sweet unique birthday gift? This sock and mug set scream happiest birthday to a special friend, coworker, sister, mom or grandma! Bubblegum pink coloured socks and matching mug are a great way to celebrate their day. Tie the box with a pink ribbon and pair with their favourite sweet treats for a perfect all in one gift! 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.