Most versatile organization system designed to hold items firmly inlace, endless configurations, perfect companion for your laptop bag or diaper bag or travel case. Made of heavy-duty, durable and waterproof nylon. Roll-up design fits in coat pocket or small space in any bag. 6 elastic loops to hold various item like cables, pens, tools, cell phone battery charger and etc. 3 easy access mesh pockets expand to store multiple sizes of USB drive or small baby stuffs. Special zipper spaces for 2.5 inch external hard drive(HDD), SSD cards, CF cards, power bank or baby diapers and etc.