*Bottle is used with PETG free of heavy metal
*Screw cap is used with HDPE (High Density Polyethylene), free of heavy metal
*Bottle is embossed graduation two sided
*Shelf life is three year after month of production
*All used materials meet the legal requirements of FDA
*Temperature range from -60 ℃ to 60℃
*Non-autoclavability
*Free of detectable DNase/RNase, human DNA and pyrogens