This Stanley Iceflow Flip Straw Tumbler, with a capacity of 30 oz, is an ideal companion for your car commutes or home workouts. Featuring a built-in flip straw for easy sipping, it keeps your drink extra cold for hours with its double-wall vacuum insulation. The leakproof design ensures spill-free use, making it perfect for your vehicle's cup holder or gym equipment. Made in part from recycled plastics, this tumbler is not only functional but also contributes to a sustainable lifestyle. Its 18/8 stainless steel construction and BPA-free materials ensure durability and safety. The easy-to-carry handle lets you grab and go, and it's dishwasher safe for easy cleaning. With its sleek charcoal color, this tumbler is a great choice for men.