The Majesty Recycled Stainless Steel Tumbler - 385 ml 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 stainless steel (304) this tumbler features a powder coating finish and a leakproof screw-on lid. It includes a press button on the lid for a 360-degree drinking experience making it easy to drink from any angle. With a 385ml capacity it is suitable for both hot and cold beverages. This tumbler is BPA-free and not suitable for dishwashers or microwaves.