Use the Brady M-83-499-RD-BK labels in combination with your Brady label printer. These labels are suitable for use in laboratories and even under extreme conditions, stick to PCR or cryotubes. Use the labels in the freezer, anticlave or in combination with liquid nitrogen. The red tapes have a matte finish and are made of nylon fabric. This package contains 240 pieces. Dimensions: 12.70mm diameter.