BIG KING Indianapolis 500 Mile Race 100th Indy 13-Inch / 15-Inch Laptop Case Bag 13-Inch Exterior Size:330mm*255mm*3.5mm. 15-Inch Exterior Size:380mm*290mm*3.5mm. Exquisite Workmanship,DOUBLE Sided Print Pattern Design. Slim Design,Shockproof Design,Internal Anti-Slip Design Prevents Laptop From Dropping And Slipping. Protect Your Devices From Impact, Suddenly Drop, Scratch, Dust, Oil And Etc.