Made from Tech-Lite Polyester. Front organizer for media devices, cell phone, business cards, key holder and pens. Front compartment features file divider that expands 2” to allow 30% more storage space. Front zipper pocket for small miscellaneous items. Smart Zipper Attachment allows transport on extended handles of other rolling cases and luggage. Advanced, non-slip, shock absorbing neoprene Comfort Flex Shoulder Strap stretches for comfort, alleviating body strain.