Seal leakage. Aubergine instant noodles barrel wall has oil is due to the seal leakage caused by the oil, after the oil should not be consumed. Instant noodles, also known as fast food noodles, instant noodles, cup noodles, fast cooked noodles, instant noodles, instant noodles, generally known as bowl noodles in the south, Hong Kong is called doll noodles. It is a kind of noodle food that can be cooked and eaten in a short time with hot water.