You can use roller bottles for essential oils to make application simple. They are easy to use, convenient and refillable! You can pre-dilute you oils and oil blends so they can be applied directly to the skin with out any messy hands, drips or spills. Create DIY blends in glass roller bottles without wasting a single drop of your favorite essential oil. Have them premade so next time you are in need of aromatherapy or a favorite blend, you can grab your glass roll bottle and roll on.