The Stanley Quencher ProTour Flip Straw Tumbler 30 oz is built for all-day hydration with double-wall vacuum insulation that keeps drinks cold for 11 hours and iced for up to 2 days. Made from durable 18/8 recycled stainless steel, it features a leakproof ProTour Flip Straw lid, removable spout, and replaceable seal for easy cleaning and lasting performance. The textured comfort-grip handle and car cupholder-friendly design make it perfect for life on the go. BPA-free and built to last, it’s ideal for custom branding and promotional use.