20ml 30ml 40ml 60ml black glass essential oil dropper bottle Usage: Essential Oil, serum, essence Material: Black Glass Volume: 20ml 30ml 40ml 60ml Weight: 55g 65g 75g 95g Wall Thickness: 2mm Color: Black Surface Handling: Screen Printing, Decal printing, hot stamping, polished, label…Sealing Type: Dropper, sprayer, lotion pump, or screw cap Samples: Sample is Free, we only charge the shipping …