Standard: EN397 CE Material: LDPE/ABS Standard: EN397 CEMaterial: LDPE/ABSProtecting ability: Anti-puncture, Anti-shockAdjust manner: APlug B: RatchetFix head suspension: 4 pointTerm of use: one yearWeight: (shell weight + head suspension weight) LDPE: 209g + 93g ABS: 249g + 93gPacking:A/B: LDPE: 40pcs/ctn 15/14kgs 54x44x58cm 8200 pcs/20 ABS: 40pcs/ctn 17/16kgs 54x44x65cm 7400 pcs/20