White and brown essential oil bottles can be customized with different sizes, shapes, and closures. You can choose from a variety of materials, such as glass, plastic, or aluminum, and add labels or packaging to suit your needs. Some companies offer custom printing or etching on the bottles, allowing you to add your own branding or artwork. There are also a range of colors available, including clear, amber, blue, green, and purple, depending on the material and supplier. If you need help finding a supplier or designing your custom essential oil bottles, you can try searching online or contacting a packaging company that specializes in this type of product.