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 oz to 32 oz Foam Cups; Material(s): Plastic; Color(s): Clear; For Use With: 32AJ20; 8SJ20; 12SJ20; 16MJ20; 5B20; 6B20; 8B20; 10B21.