The Stanley HAMMERTONE GREEN 40oz H2.O Flowstate Quencher Tumbler is a solid green stainless steel tumbler with a drink-through lid and 11-hour cold retention capacity. It is designed for adults and features a sleek design with a handle for easy carrying. This BPA-free plastic tumbler is ideal for keeping beverages cold on the go and comes with a straw for added convenience. Made by the trusted brand Stanley, this tumbler is perfect for anyone looking to stay hydrated while on the move.