The shape of this storage bag is a -sized disc designed with a retractable folding function. It is very practical in daily life,which is perfect to use as gift for your family. When it is shrunk into a disc, it takes up only a small amount of space,what is very suitable for daily shopping and travel. It can be carried by hand or shoulder when stretched. It can be placed in a pocket or backpack and can be used with just a simple stretching, making it ideal for everyday travel.