This item uses yellow-toned natural stones and crystals. The string is elastic rubber. ◇ Please note that natural stones may have chips, scratches, or variations in color. We hope you enjoy these natural characteristics. ◇ As this is a handmade item, please refrain from purchasing if you are looking for the perfection of a mass-produced product. ◇ The knots and ends of the string may not be completely hidden or may be left as part of the design. ◇ The color of the item may appear different in the photos depending on your device and environment. Please check the profile for combined purchases. Please refer to the second photo for the size. ❁⃘*.゜