600 denier fabric is hardwearing, strong and durable. Light and strong construction with a waterproof base which can open up to a full workstation or store the basics in outside pockets. Vertical storage pockets give quick and easy access to all tools and small parts. Strong metal handle for safe and comfortable carriage of heavy loads. Adjustable Shoulder Strap(s) & Handle Polypropylene Construction Plastic Base Hinged Door Opening 5 x External Velcro & 10 x Internal Open Pocket(s) Opens Into A Full Workstation Adjustable Shoulder Strap(s) & Handle Polypropylene Construction Plastic Base Hinged Door Opening 5 x External Velcro & 10 x Internal Open Pocket(s) Opens Into A Full Workstation