Made from clear glass. Dimensions: 3.25W x 3.5H inches. Swivel bottom tilts a full 360 degrees. Engrave with a single block initial or monogram. Dishwasher Safe. Holds up to 12 ounces. Your party will never spill a drop with the Cathy's Concepts Cheers Personalized Tipsy Wine Glasses - Set of 4. This uniquely designed collection features a swivel bottom design that allows the glass to tilt in a 360-degree range of motion without tipping over. In addition to that extraordinary characteristic, these dishwasher safe glasses also come with a personalized engraving of your choice whether it's an initial or block monogram. About Cathy's ConceptsA leading business-to-business manufacturer and distributer of personalized gifts and wedding accessories, Cathy's Concepts was founded in 1988 by Cathy LaValley and is headquartered in Indianapolis, Indiana. With over two decades of experience in innovative product development as well as personalizing, packaging, and shipping experience, the people at Cathy's Concepts pride themselves on creating and maintaining higher standards, greater opportunities, and tailored business solutions to fit all their customer's needs.