This is a vintage folder made by Henson Associates, Inc.
The folder is blue with a multicolored picture of the Muppets on both sides and the words "Jim Henson's Muppets School Days". Inside the folder are two open pockets and a graph titled "Class Schedule"
It measures about 12.75" tall and 9.75" wide.
This item comes in good pre-owned condition with a scribble mark on the front.