Dynarex Drinking Cups 5oz. White (4236). Designed for today's medical professional and your patients. High Value, High Quality Drinking Cups made from high impact plastic that is both sturdy and shatterproof, yet flexible. Popular in medical offices and hospitals. Rolled lip for easy separation. Ribbed in the center for easy handling and sturdy construction. 50/PK 20PK/CS (1000). Priced per case.