Say goodbye to constant refills! Our Deep Sea Diver 40 oz tumbler features a dual-function sip and straw lid, making it easy to stay hydrated throughout the day. The double-threaded Tritan lid is designed for both right and left-handed users. With a strong metal handle for durability and an ergonomic comfort grip for easy carrying, the Deep Sea Diver helps you stay refreshed and focused on what you’re meant to do.