This 30 oz insulated tumbler is made from 18/8 stainless steel with 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 easy 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 convenient 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.