A water resistant 15.6 inch laptop tablet backpack with USB port and RFID card protection pocket. The backpack has a large expandable section for clothes, gymwear or shoes. A multifuntional work and leisure backpack with ergonomic non-slip straps. Complete with dual i-Stay non-slip straps, The Royal College of Chiropractors commends the i-Stay range for their sound ergonomic design and for the health benefits likely to be gained from using the products.