NOTRAX® SAFETY MESSAGE MAT MAKES YOUR SAFETY MESSAGE LOUD AND CLEAR WHILE KEEPING FACILITIES CLEANER AND SAFER. PRE-PRINTED MESSAGE MAT WARNS EMPLOYEES WHO MAY BE ENTERING A HAZARDOUS AREA MAY NEED SPECIAL EAR OR EYE PROTECTION OR JUST ACT AS A REMINDER TO THINK AND ACT SAFELY IN WORK ENVIRONMENTS. HEAVY DUTY VINYL BACKING REDUCES MAT MOVEMENT. 24 OZ NYLON TOP SURFACE PROVIDES EXCELLENT MOISTURE ABSORPTION AND RETENTION. MADE IN THE USA.