The Sip & Smirk ceramic mug is perfect for any event of the day. Your coffee, hot chocolate, or any other beverage you enjoy. It's glossy white and the print retains its quality and luster when used in both microwaves and the dishwasher.- Ceramic 11oz mug- Dishwasher and microwave safe- Product safety tests conducted by independent third party laboratories.Sip & Smirk is an online store that specializes in selling mugs, accessories and apparel with sarcastic quotes in a minimalist design. Our products are perfect for people who love to add a bit of humor to their daily routine.