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