COVID 19 Antigen Rapid Test Kit is used for the rapid, qualitative detection of nucleocapsid protein antigen from SARS-CoV-2 in human anterior nasal, nasopharyngeal, oropharyngeal, saliva and so on in vitro.
A4 A5 A6 B6 PU leather diary notebook journal with elastic band and ribbon. Inner paper printing can be with lined,grid,blank,dotted or calendar customized printing. With back paper pocket to put some namecards and stickers