Practi-Powder White 20 mL (for training). Practi-Powder White 20 mL Vial, for clinical training, is a white powder to simulate multiple drug dosages for reconstitution. Each 20 mL vial contains a white powder that dissolves in either 0.9% NaCl or water. The Practi-Powder vial label is designed to accurately reflect multiple antibiotic dosage strength preparations. Practice the Skills of Reconstitution: Read and interpret medication labels * Sterile vial opening and handling * Adding and mixing diluents * Calculating and measuring multiple drug dosages. Non-sterile. UOM: 20mL/EA, 30EA/CS.