The Hilarious Say What? Over the Hill mugs are large, laughable and the perfect gift items for family, friends or co-workers. This high-quality mug comes packaged in an attractive gift box perfect for easy gift-giving! Dishwasher and Microwave Safe. FDA Approved. California Proposition 65 Certified Material: Stoneware. Capacity: 20oz. Packaging: 1 piece box and 3 piece mother box.