Time Tape withstands temperatures down to -23 ºC and up to 121 ºC. Tape will perform well in incubators, autoclaves, refrigerators, freezers and above the water line in a water bath. Application temperatures can be as low as 0 ºC. Rainbow pack contains 24 rolls of tape in assorted colors-five each of white, four each of yellow, and three each of blue, green, orange, red, and pink. Each roll is 1/2" wide x 42-2/3"; ft. long.