This novelty-inspired tumbler is a three-piece set featuring a slide lock lid and straw. Made of stainless steel, it keeps beverages hot for 6 hours and cold for 10 hours. With a capacity of 20 oz, it is themed around gadgets & tools, specifically inspired by WD-40. This handmade tumbler is designed for adults and is ideal for both hot and cold drinks. Remember to hand wash only.