These cups are not round but oval. Silicone cups have a shore hardness between 54 and 80 HS. They can be used between -60 and 250°C and are particularly indicated for food and food packaging appliances. They are also notably resistant to alcohol. Mark-free cups have a shore hardness of 60 HS. They can be used between -10 and 140°C and are particularly indicated for food packaging, as no mark of the cup is left. They are also resistant to oil and alcohol.