The ONLY lab tested and approved glove for first responders at risk of exposure to fentanyl and heroin. Patented Diamond Grip technology ensures a non-slip grip. Exceptional puncture resistance and superior break strength. Every day, hundreds of thousands of first responders and even ordinary citizens are coming in contact with fentanyl, heroin and other opioids especially security guards, corrections officers, juvenile detention center employees and of course police, fire and EMT. Some of these drugs are so potent it is risky for a non-user to even touch them!