The New Simple Modern Halloween Trek Tumbler Spooky Bats 30 oz is a three-piece stainless steel tumbler set with a spooky bats pattern and Halloween theme. This tumbler set is designed to keep beverages cold for up to 12 hours and features a black color with a decorated lid, straw, and handle. With a capacity of 30 oz, this tumbler is suitable for teens, boys, adults, girls, and kids, and is machine washable for easy cleaning. It comes with a lifetime manufacturer warranty and is insulated to keep drinks at the desired temperature.