A. Product Name: Freshwater Pearl Glasses Chain and Mask Holder Chain - Imported product - Adjustable clasp - Can be hand - washed B. Function: - This ladies' glasses chain can act as a safeguard for your relatively expensive sunglasses. It's likely you don't want your sunglasses worth hundreds of dollars to fall and get damaged. - It can be paired with your sunglasses, hats, and other clothing to add to your fashion sense. - Additionally, this product can also be used as a mask holder chain or tether, allowing you to keep your mask close at hand. When not in use, you can hang it around your neck. Moreover, it can also be used as a bracelet. C. Material: - This glasses chain or mask holder chain is made of freshwater pearls, which are natural pearls. - The clasps and rings are made of stainless steel, which are sturdy and durable. - The soft silicone ring won't scratch your glasses. It is detachable and suitable for various types and brands of glasses. D. Size: - The length of this black pearl chain holder is about 30 inches (78 cm), which is suitable for hanging sunglasses or FM headphones around your neck. E. Easy to Install and Remove: - This glasses strap is easy to install. You can support the glasses frame through the silicone ring and adjust the ring to the appropriate tightness. - If you use it as an FM headphone holder, you can grab the FM headphone wire and fasten it without affecting its use.