The NKOTB New Kids On The Block Vegas Tumber 20oz is a stainless steel tumbler with a slide lock lid, designed to keep beverages hot or cold for extended periods of time. With a sleek black color and a capacity of 20oz, this tumbler is perfect for kids who love gadgets and tools. Featuring the BLOCK brand and a stylish design, this tumbler is a must-have for kids who want to stay hydrated in style.