This 20 oz stainless steel tumbler is inspired by mechanics, featuring a slide lock lid and insulation that keeps beverages hot for 6 hours and cold for 12 hours. It is decorated with themes like Luca's oil and hobbies & crafts, making it a cool gift for teens and adults. The tumbler is suitable for hot or cold drinks, easy to clean in the machine, and comes with a straw for added convenience.