The Stanley 40oz Stainless Steel Tumbler is designed with a romantic Valentines Day theme featuring Ruby Hearts. This tumbler is made of durable stainless steel and is insulated to keep beverages hot for up to 7 hours and cold for up to 11 hours. It includes a drink-through lid, reusable straw, and is dishwasher safe for easy cleaning. With a capacity of 40oz, this tumbler is suitable for both hot and cold drinks and is car cup holder compatible, making it convenient for on-the-go use. Perfect for teens, adults, and kids who appreciate a touch of love in their daily beverage routine.