Model Number: GRXF-93-A / GRXF Certificate:EC&CCS Color:Silver Material:Aluminum Foil Feature:Fire-resistant and heat-insulating Application:high temperature from 800-1500 Function:Protect Fireman Implementation of standards: SOLAS1974,MSC,36(63),MSC,97(73),MSC,98(73), ISO15538:2001 Structure: this clothing is made of five layers: The first layer is aluminum foil, which can stand 900-1000 degree high temperature and has high heat reflector function, it is also a kind of waterproof material. The second layer is aramid bulletproof fabric ,which can stand 5000kg water pressure. The third is thermal insulating layer,which can keep you from the high temperature . The fourth layer is waterproof layer,which is the double protective . The fifth layer is comfortable lining ,make you comfortable in your worktime.