The product is a 16" necklace with a spring chain and a 3" extender. The necklace is designed in a chain style, making it versatile and easy to wear for various occasions. The spring chain adds flexibility and a secure closure, ensuring the necklace stays in place. The addition of the extender allows for a customizable length, catering to different preferences and outfits. Crafted in a durable material, this necklace is a stylish and practical accessory for any jewelry collection.