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 white, four yellow and three each of blue, green, orange, red and pink. Each roll is ½" wide × 42' 8" long.