The eye-catching backpack by The Oblong Box Shop showcases the iconic spiderweb stained glass window from the Winchester Mystery House®. It's suggested that Sarah Winchester herself designed this window; it includes 13 glass drops to commemorate her favorite number. Made of vinyl with black embroidery, this bag includes a custom 13 zipper pull and a printed lining. It can be worn as a backpack or used as a crossbody. Bag measures approximately 12” long x 6” wide x 3” deep