Alterable Cooker / electric cooker

Electric cooker is very usual in our daily life. But you may find that no matter how much rice is cooked, you use the same electric cooker. For example, your electric cooker is designed for cooking 6 persons’ appetite, but you may cook for 2 persons’ appetite, so there are much space left inside the electric cooker, much electricity is wasted during cooking. This design offers a good solution: Its inner container is made from Flexible high temperature resistant Nano Material, so it can be stretch and the space is varying, from 2 persons’ appetite to 6 persons’ appetite, you choose how much space you need.