Each gemstone ball has been meticulously polished to ensure smooth, effortless rolling for even and consistent oil application. This enhanced design eliminates common frustrations, so you can say goodbye to stuck or dislodged rollers. Experience a seamless application every time. Rose Quartz, often referred to as the "stone of love," is believed to foster feelings of peace and tranquility. Many find it helpful in achieving inner peace, emotional balance, and enhanced self-love. These premium quality gemstone rollers are SOLD INDIVIDUALLY.