A bottom sealed bag is a type of bag that is sealed along the bottom edge using a sealing process. This type of bag can be used to store heavy, leak-proof items. Bottom sealed bags can be used to store fruit, food, and garbage. In addition, to increase the storage space, they can be designed with side gusset. A bottom sealed blocked bag is a type of bag that has additionally a blocking head which allows you to hang the bags on display rack or hook.