Custom Backpacks, Sigma Clear Mini Backpack - Stadium Approved & PVC Free, The Sigma Clear Mini Backpack is a modern spin on an everyday classic style Be confident in what you packed for the day, the transparent material is ideal for efficient organization and visibility to your belongings Ensure convenient entry the next time you attend a sporting event, concert or festival. The size and clear material is ideal for most concert stadium guidelines The mini backpack is a great solution for organizations following clear bag safety protocols Zippered opening to main compartment Adjustable shoulder straps Top grab handle Wipeable for easy cleaning Meets NFL sizing guidelines If the bag is being carried into a NFL stadium, the NFL requires that the logo size not exceed 4.5 inches tall by 3.4 inches wide PVC Free Product ... #100492-000 $13.12/each.