... Blue ,Purple Quality:MAO circle of 100% bamboo fiber, base 100% cotton Bamboo fiber towelsize:26*28-25gColor:Pink ,Yellow, Blue ,PurpleQuality ... easy to be moldy, sour and sticky. If watched by microscope, the same amount of bacterium is multiplying on cotton towel ... Green environmental protection, anti-ultravioletCotton UV transmittance of 25%, bamboo fiber is less than 0.6% of UV transmittance, 41.7 ...