Charming and elegant, the Silver Legends Duck Opal Necklace boasts an eye-catching duck pendant inlaid with iridescent green, white and yellow manmade opal to stylishly showcase your passion for the outdoors. Delicate 18 sterling-silver chain completes the look. Spring-ring clasp. Made in USA. Chain length: 18. Pendant: 5/8W x 1/2L. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Necklaces.