TOPWEL 50pcs (1/4 dram) 1ml Amber Glass Essential Oil Bottle with Orifice Reducer and cap (50) Capacity: 1/4 Dram (1 ml) The color of the bottles is a light amber not the dark amber that appears in the picture Size: 16 mm x 21 mm (0.63 x 0.82 in.) These terrific little jars that are perfect for essential oil samples or for blending small amounts of oils