Create your favorite essential oil blend with the energizing power of gemstones within these roller bottles. This complete kit, featuring a bottle opener, a funnel and a pipette, makes it easy to fill the rollerball with preferred oils. 6 Assorted semi-precious stones and designs: Rose Quartz, Amethyst, Rock Quartz, Red Jasper, Tiger Eye, Green Aventurine. Glass. Stones. Metal. Oils not included.