Lid-up Dart® cups fit tightly with Traveler® drink-thru lids. Secure-fit long-sleeve, dome design features a convenient sipper-slot for on-the-go enjoyment. Unique inner-catch ring keeps the lid from popping-off if the cup should bend or flex. Fits: 10 oz to 24 oz Hot Cups; Material(s): Polystyrene; Color(s): White; For Use With: Dart® 410RC-J8484, 412RCN-J8484, 316RC-J8484, 420RC-J8484, 410PLA-J7234, 412PLN-J7234, 316PLA-J7234, 420PLA-J7234, IC12-J8000, IC16-J8000, IC12-J7534, IC16-J7534, 410SI-0041, 412SIN-0041, 316SI-0041, 420SI-0041, 424SIN-0041, 410JZ-00055; Dart® 412JZ-00055, 316JZ-00055, 420JZ-00055, 424JZ-00055, 410MS-0029, 412MSN-0029, 316MS-0029, 420MS-0029, 424MS-0029, 410SM-J8000, 412SM-J8000, 316SM-J8000, 420SN-J8000, 424SM-J8000, 410W-2050, 412WN-2050, 316W-2050, 420W-2050, 424WN-2050.