STAINLESS STEEL COFFEE MUG Crafted with food-grade 316 stainless steel, this coffee tumbler is firm, durable, rust-proof, and odor-free transfer, ensuring your every taste is fresh. LEAK PROOF LID AND STRAWEach thermal coffee travel mug comes with a spill-proof slider lid and 1 straws, a drinking hole on the top for easy sipping. Two ways to drink make this mug the perfect choice for you at work or on the go. DOUBLE WALLED VACUUM TRAVEL MUG: Double-walled vacuum insulation makes heat transfer to the outer walls of the tumbler slow down. It means the insulated cup keeps your favorite drinks ice cold or piping hot for hours. Let you enjoy hot and iced drinks until the last sip. SUPERIOR POWDER COATED FINISH: The high-quality powder coating surface will not peel or crack when the insulated coffee mug with lid is used in the field for a long time. Sweat-proof to ensure your hands stay dry. INSULATED COFFEE MUG WITH HANDLE: Conveniently designed with a handle and a silicone-sealed lid, making it the ideal drinkware to bring with you wherever you may go. Keeps you fresh and hydrated.