Dome helps to prevent spills and splashing. Sip-through hole makes it easy to drink from while on the go. Domed lids are stackable. Fits: 10-20 oz Cups; Material(s): Plastic; Color(s): Black; For Use With: 10-16 oz Dixie? PerfecTouch Cups; 12-20 oz Dixie? Hot Paper Cups.