Materials used: Nylon cord, hand woven Crystals Real shells Adjustable, macrame closure How to take care of your jewelry so that their shine and plating remains the same as day one: Remove your jewelry while swimming, sunbathing and showering Keep them away from chemicals like hairspray, antiseptic, body creams & perfumes Do not wear your handmade jewelry while exercising Kindly be informed that due to availability some fashion elements , tassels, beads, semiprecious stones, evil eyes might have slight differences in color, texture or shape . Natural elements like shells, pearls, stones, semiprecious beads etc are always unique, therefore differences in appearance might exist from the product's picture.