sleeping bags are made of almost always nylon (sometimes cotton). they are made by being stitched together and then other parts, A.K.A. pillows, zippers, are attached
Sleeping bags are made of synthetic or cotton or wool or down (bird's under layer of feather) materials.
There are sleeping bags ,but I think they are made of rexin and not leather.
Early explorers of Antarctica used sleeping bags made of deer skin.
The process server bags are made of cotton
Expedition-worthy sleeping bags in the late 1800s and early 1900s were made from deer skin.
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Some materials used for school bags are cotton, rayon, polyester and plastic.
Bags that can be sewn together are usually cute little messenger bags that are made with yarn or thick thread
They are made from a variety of materials, from plastic to nylon to basic cotton.
animal skins or light fabric
Guitar bags can be made from many different types of materials. The different materials offer different sorts of protection. Most bags are made of canvas or a nylon synthetic blend.
materials like leather