Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 15-3/4 Inch Length, 5 X 6 Teeth, 15 mL, Magnetic Closure, For use as Quality Control Urine to Monitor Precision of Laboratory Urine Toxicology Testing Procedures for Analytes listed in Package Insert