The roll-on bottle allows the oils to be applied precisely and easily to the skin. The ball is made of smoothly polished rose quartz. The stones placed inside provide a unique visual effect, it is also believed that they enhance the effect of the given mixture. Rose quartz is called the stone of love, It brings a sense of peace and tranquility. It helps to achieve inner peace and balance. Gemstone Roller Bottles can be filled with Essential Oils, Perfumes Oils, DIY Sample Blends, Essence, Aromatherapy and other liquids.