This 30 oz tumbler from Stanley is made with 18/8 recycled stainless steel and double‑wall vacuum insulation to keep drinks cold or hot for hours. It features a leak‑proof ProTour flip‑straw lid that flips open for sipping and snaps closed to prevent spills. The tumbler has a textured comfort-grip handle and a base designed to fit most car cup holders, making it ideal for commuting, travel, gym, or everyday use. Durable, BPA‑free, and dishwasher-safe, it also includes a removable straw spout and replaceable seal for easy cleaning and long-lasting performance.