PRICES MAY VARY. Shell layered necklace is made of beads pearls,shell and alloy with silver plated.low irritation, safe and comfortable to wear for long time, not easy to rust Beach necklace has 4 separate necklaces.Shell necklace’s size: As shown in the picture, there is only one size,but there are extension chains that can be adjusted suit for most women Blue beaded necklaces can match different styles such as skirt,dress,Bikini,t-shirt or other outfits depending on your preference…