Elufly 1/4 Dram AMBER Glass Vial 1ML Oil Bottles- Screw Cap +Orifice Reducer+Bottles+White Cotton Piece 100 Units Includes orifice reducer to help save your oils,Will come with a 2ML Dropper for free,it can help you drop the oil into the bottles more easy and save the oil and your time 1ML liquild samples bottles,100 units means will come with 100 Caps +100 Orifice Reducer+100 Bottles+100 White Cotton Piece Refined oil bottle, perfume bottle Size: 16 mm x 21 mm (0.624 x 0.819 inches) Afraid will break on the transporting,so we will send more 1 or 2 pc for free!