How to turn a flannel shirt into a reuseable shopping bag。ONE OF A KIND. This wool backpack is made with upcycled fabric from an authentic vintage 1970s Pendleton wool flannel shirt. The wool fabric is Contrasted with a light denim fabric for a fun casual look. A functional zipper pocket and inside pocket provide storage. Adjustable straps make it a comfortable option for everyone. Unisex Adjustable Straps Original and Authentic 1970s Pendleton Flannel Fabric Bag Measures 8\" Length x 12\" Height x 2.5\" Width Dual adjustable straps allow for use as both a backpack and a sling bag that can be worn in the front or the back. Please check out my closet for other upcycled bags of similar style.