Use the Brady M4-83-492 black on white polyester labels in combination with your Brady label printer. These labels are ideal for use in laboratories. This way you can easily provide frost-covered bottles and tubes with a label. Even under extreme temperatures, the labels will stick. Use these labels in the freezer or in combination with liquid nitrogen or hot water (100 degrees). The white tapes have a matte finish and are made of Freezerbondz polyester. This package contains 240 pieces. Dimensions: 12.7mm diameter