The DENTIST Novelty Tumbler is a three-piece stainless steel insulated mug with a lid that features a slide lock for easy access. This 20oz tumbler can keep beverages hot or cold for up to 12 hours, making it perfect for adults on the go. The multicolor novelty design adds a fun touch to your drinkware, while the insulated feature ensures your beverages stay at the desired temperature. Remember to hand wash only to maintain the quality of this durable tumbler.