Waterproof Floor600-denier Cordura Nylon is made from robust plastic to sturdyergonomic rubber handle (Sturdy bracket made of steel)easier and more robust shoulder strapspacious, easily accessible constructionframe steel reinforcedelastic mounts inside for fixing of toolslockable compartment for drills and bits insidelateral say compartmentsize adjustablelarge compartment of cable on the sideholder for measuring tapes.