The NBA Licensed San Antonio Spurs Jersey Backpack is a PATENTED design and made of authentic jersey material. The main body of the bag is large enough to hold the largest of schoolbooks and has a smaller pocket in the front for accessories. The NBA Logoman patches and basketball zipper pulls are made from a very high quality elegant rubberized material. There are pen pencil holders and a personal pocket for a cell phone with hook and loop closure. The removable NBA Identification card is on the inside back of the jersey look, the tag area is for personalizing and easily removable.