*Different Size,Meet Different Reqirements *Central LuER Lock/off-center Slip *Special Design to Prevent Plunger Slipping Out *Latex/Latex Free *W/needle,W/O needle *Custom Needle Size Per Specification *PE/Blister Individual Package *Non-toxic and Non-pyrogenic *Sterilization:sterilized by EO gas *Expiration date:5 years from the date of manufacture