Come and see our amazing products. This whisky glass is made of food-grade thickened glass. Nontoxic, high-temperature resistance. BPA free. The whole glass is crystal clear, and the body and bottom of the cup are thickened. The bottom of the cup owns a unique rotating design. The raised hemispherical bracket can make the cup more stable on the table and rotate without overturning. Suitable for cold or hot drinks. This is a wrinkle cup. There are also vertical stripes and lattice cups. Size 2.7"H x 3.15" Diameter.The Rotating Whiskey Glass Cup is perfect for home, bar, KTV, entertainment venue, parties, weddings, etc. Pls confirm with us about the packing info, stock color and exact production time before placing your order.