Northwind Wine Glass - Set of 6 • Break resistant • Set of 6 • BPA Free • Nautical Compass Design The wine glass can be combined with the champagne flute in the same collection, as well as the several drinking glasses and melamine dishware to match. Size: 7-3/8" H/2" Dia. Composition: 60% Acrylic + 40% Polystyrene (MS) Instructions: Not suitable for liquors and for warm beverages or microwave use. Maintenance And Cleaning: This product is dishwasher resistant (top rack only). However, it is advisable to wash it by hand, gently and with neutral soap in order to maintain the transparency.