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. Product Notes: Please allow a little manual errors.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 confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 42 hours.