The Stanley IceFlow Flip Straw Tumbler (30 oz) is a large, insulated stainless‑steel tumbler built for everyday hydration with effortless sipping. It features a built‑in flip‑up straw that makes drinking convenient while you’re on the move, and double‑wall vacuum insulation keeps your cold beverages chilled for hours. Made from durable, BPA‑free 18/8 stainless steel and partially constructed with recycled materials, it’s both sturdy and eco‑friendly. The tumbler is designed to fit most cup holders and includes a comfortable carry handle, making it great for commuting, outdoor adventures, workouts, or daily use. It’s also dishwasher safe for easy cleanup.