The Stanley FlowState 40 oz Black Halloween Bat Spellcast Handle Lid Straw tumbler is a two-piece stainless steel and plastic beverage container perfect for both hot and cold drinks. With a Halloween theme featuring a bat character, this tumbler can keep your drinks cold for 11 hours or hot for 7 hours. The drink-through lid and insulated design make it a convenient and stylish option for adults looking to enjoy their beverages while on the go. The dishwasher safe container also comes with a lifetime manufacturer warranty, making it a durable and reliable choice for portable hydration.