Product: Flat Should Black Glass Essential Oil Dropper Bottle Wholesale Volume: 20ml 30ml 40ml 60ml Material:  Black glass Color of bottle: Glossy black Cap: Plastic/aluminum shell ring, silicon top, glass pipette. Craft: Transparent, frosted, color coating, ion-plating/holographic coating, decal, label sticker, silk screen, hot stamping, etc. OEM: Sample processing and brand customization are available. Packing: Standard safe export carton and pallet. …