half sleeve lead rubber jacket has 2 options, one is X Ray Front Lead Rubber Jacket,the other is Xray Double Sides Lead Clothing. front lead equivalent can be 0.35/0.5mmpb, back 0.25mmpb. the difference is back protection area, you can check with our pictures.The lead rubber jacket is designed to cover the front of the body, including the chest and abdomen, to minimize the risk of radiation exposure to vital organs. tips: Store the lead apron in a designated area, away from sources of radiation and in compliance with safety regulations. can equip with x ray lead cap, x ray lead collar and x ray lead gloves, x ray lead goggles to have better protection.