Contigo 12 oz. River North Wine Tumbler 2-Pack - Dark Ice/Stainless Steel

IDEAL TEMPERATURE: Stainless steel tumbler keeps beverages cold for 10 hours or hot for 4 hours,AVOID MESSES: Splash-proof lid keeps your drink where it belongs,EASY TO CLEAN: Top-rack dishwasher-safe lid and body make cleaning easy,DURABLE DESIGN: Holds up to whatever comes your way every day,NONSLIP-GRIP BASE: Helps prevent mug from slipping, clanking, or scratching on surfaces