Gauze is a type of thin fabric with a very open weave. It has a number of uses, ranging from the operating room to the theater, and a variety of types are manufactured to suit various needs. Many fabric supply stores carry gauze, and it is also available from drug stores and medical supply companies. Material designed for medical uses is very useful in a first aid kit, as it can be used to wrap wounds, staunch bleeding, and pad wounds before they are bandaged.

The common type gauze includes gauze roll, gauze bandage, gauze swab, gauze ball, gauze lap sponge and so on.