Open top accommodates both spoons and straws as well as enables lid-on soft-serve, shake and shush dispensing. High side walls allow you to over-fill frozen-treat orders. Snap-tight fit minimizes the potential for leakage when using Dart® companion foam cups. High-Dome. Fits: 5-32 oz Foam Cups; Material(s): Plastic; Color(s): Clear; For Use With: 32AJ20, 8SJ20, 12SJ20, 16MJ20, 5B20, 6B20, 8B20, 10B21.