The Slab Case BackPack is for the card show attendee. Now available in five different color options! The Charcoal Slab Case 2GO with TSA locks that is inside of the backpack will hold roughly 35-50 graded cards including PSA, BGS, SGC, CSG, HGA, etc. The backpack has 2 straps for easy carrying and a buckle across the chest to help support the weight. Charcoal Slab Case 2GO inside the backpack (New TSA Approved locks) 2GO Case holds PSA, SGC, BGS, DSG, HGA, CSG and other graded trading cards Holds roughly 35 BGS or 50 PSA or a mix of both. It will also hold mags and toploaders USB port to plug in a power bank Multiple storage pockets for any other accessories needed for the trip including a laptop Listed With Mascot.