Durable 600D polyester with water-resistant tarpaulin-reinforced backing protects gear for long-lasting use Large clamshell compartment with wide opening has plenty of room to store first aid supplies and more Interior 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 supplies 1 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 supplies Adjustable padded shoulder strap for comfort when transporting heavy gear Top grab handle for quick transport Heavy-duty lock-compatible zippers for securing contents Coloured striping and reflective strips for increased visibility Exterior ID card window holds business cards and jobsite IDs for easy mask and equipment identification Hand washable First aid supplies sold separately Capacity 24 L Height 17.5"" Length 12"" Medical Device Class Non-Medical Width 7""