CCF 24OZ (650ml) Premium PP Injection Plastic Square Cup - Clear 240 sets/CaseThe CCF premium PP injection square cups are stylish and fun! Those cups are thicker and harder than regular pp cups, They are made from durable polypropylene, a good quality premium plastic. Those cups are manufactured using a process called Injection molding. Injection molding is a manufacturing process for producing parts by injecting molten material into a mold. PP material that can work for both cold and warm drinks (up to 248 F or 120 C). CCF PP