The round handmade cupcake cups directly sold by Chinese factories are heat-resistant and oil-resistant. The minimum weight of the cup is close to 200g, which makes the whole cup body very firm. It can be directly put into the oven, and can withstand a high temperature of up to 220 degrees. It is oil-resistant and water-resistant. It is covered with food mold, which can make the egg cake easily demoulded.