The i-stay 15.6 Inch Laptop Organiser Bag with trolley retainer strap will keep you organised on the move. The organiser bag has a padded laptop compartment, front zip pocket, organiser zip pocket, middle and back zip filing pocket. The bag has a unique non-slip i-stay strap which is commended by The Royal College of Chiropractors for its sound ergonomic design and for the health benefits likely to be gained from using the products.