... ,IN- safety helmet 1,Massive ventilation, 2,OEM,Open mould; 3,CE APPROVED; 4,High temprature resistance PV shell; 5,IN-MOULD bicycle helmetbicycle helmet ... , road helmet, Standard: EN 1078, CPSC.vents - 16dial turn ring ... ; 10pcs/ctn; 85*30*47.5cmDelivery Detail:40 days safety helmet