MicroTest™ M6™ contains gelatin, vancomycin, amphotericin B, and colistin for the transport of viruses, Chlamydiae, Ureaplasmas, and Mycoplasmas. MicroTest Kits come with 1.5mL or 3mL of liquid medium in a 15mL conical tube with 3 glass beads, an envelope with two plastic shaft, traditional-tipped polyester swabs, and a 6 x 9 in. zip-seal bag.