Long-Lasting Temperature Control: Double-wall vacuum insulation keeps drinks cold for up to 24 hours or hot for up to 8 hours. Splash-Resistant Lid: Acrylic lid helps prevent spills and features a large opening for easy sipping or straw use. Travel-Friendly Design: Compact profile fits most standard cup holders for convenient enjoyment on the go. Protective Base: Rubber bumper helps prevent scratches and protects both the tumbler and tabletops. 12 oz Capacity: Durable stainless steel construction is perfect for wine, cocktails, and other favorite beverages.