This document discusses soft gelatin capsules and their quality control testing. It provides details on: 1) Soft gelatin capsules consist of a liquid or semisolid center surrounded by a gelatin shell that can contain the active ingredient. 2) Quality control tests for soft gelatin capsules include checking their shape, size, color, thickness, leakage, disintegration, and weight variation. 3) Content uniformity is tested by individually weighing capsules, removing the contents, weighing the shells, and calculating the net contents.