Vacuum aerosol tissue culture surface treatment to ensure good consistent cell attachment, spreading and growth. Crystal grade polystyrene to ensure transparency.Vacuum aerosol tissue culture surface treatment to ensure good consistent cell attachment, spreading and growth.Plug-type closure cap can be ventilated or sealed cell culture environment, Ventilation membrane cap with 0.2μm hydrophobic membrane pore size, to ensure a good gas exchange.Gamma-ray sterilization, pyrogen-free, medical grade packaging easy to open and close, and to ensure internal sterile packaging.