This is the OTR Marker Bag from On The Run. Made to fit 36 OTR Graphic Markers in a convenient carrying case. This bag is nice to have when you want to travel with some markers. You can also fit other small drawing utensils in the bag. The On The Run Marker Bag has a zipper so your markers wont fall out and a strap to attatch to your belt. It's made with durable canvas material.