The straw is also included in this design ... If that still feels too big for you, Hydro Flask offers a 32-oz tumbler while Owala has a 24-oz sipper (which FYI does not have a handle).
Hydroflask limited edition Watermelon pink tumblers have a handle, are cupholder friendly, and are available in the 40 oz ($49.95) and 32 oz ($34.95 ... and the flexible straw allows for easy ...