Single -wall paper glass is a type of glass made of a layer of paper. The glass has simpler and natural material than plastic cups. Single -wall paper cups are commonly used to drink cold or at least medium temperatures such as beverages, water and the like. These glasses are relatively inexpensive and easy to make. Also recyclable single -walled paper cups that help protect the environment. However, these mugs may be weaker against hot liquids and generally maintain these types of liquid materials in them.