SDI Single Racket Sport Laptop Computer Backpack Bag, 15.4", Blue Made of check nylon and 600d polyester, Size: 13"W x 18"H x 8"D. Padded for a 15.4" laptop and has a piggyback sleeve for an iPad or tablet A separate compartment in the middle holds books and files An organizer pocket in front is ideal for business accessories Butterfly open pocket in the front has a buckle closure and neatly holds a tennis racket