These graduated liquid ovals come with the same amount of child resistant caps which are attached to the ovals inside the case. All liquid ovals have both oz and ml graduated lines on opposite sides of the liquid oval for easy measuring when filling them. Liquid ovals are available in eight (8) sizes (1 oz, 2 oz, 3 oz, 4 oz, 6 oz, 8 oz, 12 oz & 16 oz), and three colors (amber, blue or green). CPSC (consumer product safety commission) certified & USP 671 certified.