Roller Ball Bottles， 10ml Glass Roller Ball Bottles， Perfume and Essential Oil Roller Ball Bottles (24 Pack) Glass 10ml roller ball bottles are the perfect container， and application method for essential oils， perfumes， essential oil blends， and more. 10 ml roller bottle glass container is tough and built to last， PP ball， and PE holder for ball are perfect handling essential oils and essential oil blends. Great for a multitude of uses， and value prices. Our 24 bottle roller ball bottle set is an amazing addition to your at home cosmetics and aromatherapy projects.