Promotional Golf, 12x12 Microfiber Terry Towel - 300GSM, A heavy 300 gram microfiber terry towel. We do not recommend light colors on green and blue towels due to microfiber material. Black ink is recommended on blue and green towels. Minimum font size accepted: 22 pt. Maximum imprint colors: cannot guarantee perfect registration due to unique material, allow for a 1/16" variance in registration. ... #H739 $1.57/each.