Bring your essential oil, lip stain, or cologne on the go. store it in the 10 ml glass roller applicator bottle and forget about spills or short shelf lives! Instead of a plastic rollerball, which can be easily corroded by potent oils, this bottle comes with a glass rollerball, letting you smoothly glide it across your skin. Simply twist on the airtight cap, and you can rest assured that not one whiff of fragrance will go out of the bottle and no air will enter and damage your product. What’s more, this bottle is designed in Europe with ultraviolet glass, which prevents visible light from ruining its contents. At the same time, it allows rejuvenating rays to cleanse and preserve the freshness of your liquid essential for years! • airtight, smell-proof, & light-filtering: world's best ultraviolet glass jar with BPA-free plastic lid. • the perfect size and shape: a versatile container—great for herbs, spices, and cosmetics.