This tumbler is designed with double-wall vacuum insulation, keeping drinks hot for up to 6 hours and cold for up to 24 hours. Made from recycled 304 stainless steel, with a powder coating finish and a leakproof screw-on lid that includes a press button for a 360-degree drinking experience. BPA-free. • Recycled Material: Body made from 91% Recycled post-consumer Metal (Stainless Steel). • All-Day Insulation: Hot for 6 hours, cold for 24 hours. • Regulatory Compliance: BPA-free.