TOPWEL 24pcs (5/8 Dram) 2 Ml Small Transparent Mini Glass Essential Oil Bottle with Orifice Reducer and Cap (Black) Capacity: 5/8 Dram (1/12 ounce, 2 ml) Size: 16 mmx 25 mm (.6 x 1 in.) These terrific little jars that are perfect for essential oil samples or for blending small amounts of oils included 24pcs bottle and 24pcs reducer and 24 pcs cap