Color: White Rose Gold; Material: Silicone, Metal; Diameter: 4mm / 0.16"; Size: 20mmx6mmx4.5mm / 0.79"x0.24"x0.18"(L*W*Spring length) Advantage: With these eyeglass chain connectors, you can adjust the eyeglass strap's size whenever you want according to your head size. Made of soft material, comfortable to touch, good for people who wear glasses all day. Not easy to fall off, suitable for most types of glasses arms. Instruction: One loop connects to the eyeglass strap and the other loop connects to the eyeglass arms. Application: This eyeglass chain connector is very suitable to be installed on the eyeglass strap which is mainly used to secure your eyeglass around your neck and make sure the eyeglass won't be lost and broken in sports or other situations. Note: Please confirm the size before ordering. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 42 hours Hope you have a pleasant shopping experience!