This item uses natural stones. The string is made of elastic rubber. Rose Quartz 10mm / Crystal 8mm 6mm 【Rose Quartz】 Rose quartz has a gentle pink color. It is sometimes called the "stone of love," but more than that, it is said to soften the heart and remind you of the importance of self-care. Its gentle color will gently accompany you in your daily life. 【Crystal】 Crystal has a transparent and clear shine. It has been known as the "stone of purification" since ancient times, and is considered a versatile amulet, although it is simple. It goes well with any stone and harmonizes the whole when combined. ◇ Because natural stones are used, there may be chips, scratches, and differences in color. We hope you enjoy the texture of these stones. ◇ Please refrain from purchasing if you are looking for the perfection of a mass-produced product, as this is a handmade item. ◇ The knots and ends of the string may not be tucked away, or may be left as part of the design. ◇ The color of the product may look different from the actual product depending on your device or environment. The color and pattern, the individuality of each stone is unique in the world. We hope you will enjoy the power stones casually, like a small amulet that accompanies you in your daily life. Please check the profile for bulk purchases.