Open top accommodates both spoons and straws as well as enables lid-on soft-serve, shake and slush 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 Cold Cups; Material Type: Plastic; Material(s): Plastic; Color(s): Clear.