ultravioLeaf 100 ml (3.4 fl oz) Black Ultraviolet Glass Bottle w/ Glass Ball Roll on Tip 100 ml capacity (3.38 fl oz). Height: 5.5" | Diameter of Bottle : 2" | Diameter of Opening: 0.5" LABORATORY TESTED ULTRAVIOLET GLASS PROTECTS AGAINST HARMFUL LIGHT - Premium European UltraViolet Glass (UV-A) Storage Containers for your essential oils, homemade perfumes, and any other liquids requiring precise measurement. It prevents harmful visible light rays from penetrating and degrading your stored products, while at the same time allowing beneficial UV and infrared wavelengths of light that can kill molds, algae, and bacteria. SMELL-PROOF and AIRTIGHT- Heavy durable ultraviolet glass blocks air exchange and locks in aroma. PREMIUM QUALITY STORAGE CONTAINERS- Extend the freshness of your stored products for 6 months or longer. Environmentally Friendly. Contemporary Design. Perfect On the Go Size for Backpacks, Bags and Travel. HASSLE-FREE MONEY-BACK GUARANTEE! If for any reason you are not 100% satisfied, within 30 days, please notify us and return your ultravioLeaf product(s) for a no-questions asked, full refund.