Anti-mouse PD-L1 (B7-H1) (10F.2H11)-InVivo reacts with mouse PD-L1 (programmed death ligand 1) also known as B7-H1 or CD274. The 10F.2H11 antibody has been shown to sterically and functionally block PD-L1/CD80 (B7-1) interactions and does not block PD-L1/PD-1 interactions.