NMC 0.0045 Pressure sensitive vinyl biohazard warning sign has pressure sensitive adhesive backing and is flexible, which allows for mounting on smooth, curved or irregular surfaces. Employers are required to post biohazard warning signs and labels at the entrances to these hazardous areas. In addition, all biohazard material must be properly labeled to warn employees of the potential risk to their health. Indoor use. Mounting: yes. Good chemical resistance. Maximum temperature: 178 degrees F. Measures 7-inches length by 7-inches height. Legend "BIOHAZARD NO FOOD OR DRINK TO BE STORED IN THIS REFRIGERATOR".