Aster Essentials Glass Roller Bottles with Metal, Stainless Steel Roll Balls. 10ml, 1/3oz Essential Oil Roll on Bottles are perfect for Aromatherapy, Perfume, & Lip Gloss-6 pack with 3 extra balls. (Health and Beauty) Custom blending your essential oils is easy with these roller bottles. They are easy to fill and look beautiful housing your own custom blended EO's. Beautiful especially for giving your oils as gifts for friends and family. The frosted glass and metal rollers are premium quali...