sterilization tray,made in aluminium alloy have 3 inner trays, make the case have 4 layer space Size: 350mm x 250mm x 150mm Weigt: about 4.9 kg sterilization by all standard methods AutoclaveEthylene OxideDry heat 320 F (160 C)Cold solution The of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchasers. If this item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping the item.