Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 15-3/4 Inch Length, Black, 3-3/8 Inch, 1-1/2 Inch From Bottom, Left Side, For Monitoring Precision of Opioid Tests with Drug Levels Confirmed by GC/MS, LC/MS/MS or Other Methods