Large/x-large 12+ Excellent Retail Packaging! Size Based On Pre-pregnancy Dress Sizes Offers Relief From Back Discomfort During Pregnancy 8 Elastic Pregnancy Belt Supports The Lower Abdomen While The Duo-adjustable Elastic Side Tension Offers Additional Support Provides Temporary Stabilization Of The Pelvis Measurement Is Dress Size Before Pregnancy: 12-20 Dress Size Latex Free