This product was born out of necessity! My fifth graders asked me if the restroom was available hundreds of times, and I realized that I could do something to save my sanity! The documents should be printed front and back and laminated. Then, they simply need to hang near the door/hallway/etc. When someone uses the restroom, they flip the sign so it shows the sign-in/sign-out side, and then enter their information with a vis-a-vis pen. Then, when they are done with the restroom, they sign back into class and flip the sign to let the rest of the class know that the restroom is OPEN.
Since I have started using this, I haven't had a SINGLE bathroom question!
There are several options to choose from: Girls' Restroom, Boys' Restroom, Gender-Neutral Restroom, etc. and each sign comes in both color and grayscale.