Add a thrilling look to your camp-ready style with the Friday The 13th Jason Mask Glow Mini Backpack! This mini bag rocks a large glow-in-the-dark Jason mask graphic and metal knife zipper charm.  Available online at Journeys.com! Please note: glow-in-the-dark products require exposure to direct light (sunlight is best) in order to charge the glow portions. Every 7-8 minutes spent charging results in approximately 10 minutes of glow time.