Large Pearl Choker Necklace Made of Glass pearls ( not plastic), much more realistic, and stand up to wear better than plastic Knotted, just as fine cultured pearls or South Sea Pearl necklaces are. Length 16-18" with extender. Come in gift box ready for gift giving Pearl Diameter is 14mm Pictures show how timeless a string of pearls like this is, a classic staple in your wardrobe.