Material: Nylon Uly Fabric and PU Foam. Premium Laptop Pocket Inside. Hidden Compartment inside for your Valuables. Full Expandable. 3 Main Compartments and 9 Pockets with their Identities of use. Adjustable & Detachable Waist Strap. Smart Organise pockets for Pen/Pencils, Phone and Any Quick Access Items. Premium Quality Bags in Reasonable Price.