Durable 600D polyester with water-resistant tarpaulin-reinforced backing protects gear for long-lasting useLarge clamshell compartment with wide opening has plenty of room to store first aid supplies and moreInterior storage features include removable divider pocket that fits in base of backpack, 6 mesh compartments, 14 webbed storage loops and 6 slotted pockets to organize and secure first aid supplies1 hook & loop accessory pocket on shoulder strap, 2 side mesh pockets for water bottles, 1 zippered compartment for personal items and 1 front mesh pocket for easily accessible suppliesAdjustable padded shoulder strap for comfort when transporting heavy gearTop grab handle for quick transportHeavy-duty lock-compatible zippers for securing contentsColoured striping and reflective strips for increased visibilityExterior ID card window holds business cards and jobsite IDs for easy mask and equipment identificationHand washableFirst aid supplies sold separately