Is the 30oz tumbler BPA-free and safe?

The 30oz tumbler is constructed entirely from certified food-safe materials. The body is 18/8 stainless steel (304 grade)—the same used in professional kitchens and hospitals. The flip straw lid uses BPA-free polypropylene and platinum-cured food-grade silicone. All materials meet FDA food contact standards with third-party testing confirming zero chemical leaching under both cold and hot conditions. This tumbler is completely safe for daily use by all ages.