40-ounce leak-proof straw cup – made from double-walled, vacuum-insulated stainless steel to keep drinks cold for hours; fits in car cup holders

With a generous 40oz (1.18L) capacity, this tumbler keeps you hydrated throughout the day without constant refills. Whether you're at the office, hitting the gym, or on a road trip, one fill is all you need to power through your day. The large opening also allows for easy filling with ice cubes and cleaning.