Stanley IceFlow Flip Straw Tumbler in Chili Red provides a leakproof solution for active hydration. This 30oz vacuum-insulated stainless steel vessel keeps drinks cold for up to 12 hours and iced for up to 2 days. It features a built-in flip straw for easy sipping on the move and a rugged folding handle for convenient portability. The tapered base is designed to fit most vehicle cup holders, making it an ideal companion for commutes, gym sessions, or outdoor adventures.