It included the Full face Mask,Back Care,Pressure Gage and Alarm Whistle,Cylinder Valve, Air Supply Valve and Pressure Reglator. 1)Cylinder Volume:6.8x22)Storage Capactity:4080L3)Normal Working Pressure:300Bar4)Alarm Pressure:50-60bar5)Weight:23kg6)Certificate:CCS/EC/RS7)730x300x450mm 1pcs/customized plastic box