Clas Dallin Wheeled School Bag with Laptop Protection, Ergonomic Back Panel and Padded Straps by Kipling. Do it all with the creative Clas Dallin, a versatile backpack/trolley combo with a handle and easy-to-roll wheels to help carry heavy loads. The backpack straps are padded for the ultimate carrying comfort. Specially designed pockets and panels offer roomy storage.