Material: thick glass, more resistant than ordinary thin glass bottles; Color: clear bottles body with gold cap | Dropper bottle size: 103*19.4mm (total length * diameter),Capacity: 30ml/1oz | Refill bottles: our long lasting bottles can be reusable, you can easily refill those back any time! The bottles are simple to clean and fill | Widely use: perfect for storing and dispensing of essential oils, colognes & perfumes, massage oil, serums, e-Liquid, emulsion, your own blends, aromatherapy or other cosmetic liquids, great for travel, business trip and daily use | Good sealing: sealing to prevent any leakage, perfect dropper bottles for DIY your own blends and fragrances for you lover, family and friend