... Light weight,Good strength,Good toughness Petroleum, chemical, power ,construction, mining Material: ABS, PE, PP, HDPE is availableColor: red, blue, ... okRib: one rib, two ribs and three ribs on the top of shell could be doneLock type of back ... with V rib with 6 cooling vents on top of the shellMaterialShell-ABSWeight380gAccessoriesFabric tape, buckle, pinlock, ratchetColourRed, Yellow, WhiteSize52- ...