Thermos F3005JP6 Professional 3 Stage Diamond Coated Ceramic Rod-Non-Slip Base Sharpening Knife Easy to Control, 10 oz, Jurassic World THERMOS vacuum insulation technology for maximum temperature retention, hot or cold Durable stainless steel interior and exterior Wide mouth is easy to fill, serve from and clean Keeps cold for 7 hours and hot for 5 hours; stay cool exterior 10 ounce capacity; hand washing is recommended