Colorful heishi & shell mix necklace are totally handmade & customized by color & size. Necklaces length are 16.5’’ (42 cm) + 2 cm gold plated extender chain. The beads are 4mm in diameter. The disc shape heishi beads are polymer clay. The colorful part is a mix of mother of pearl & polymer clay heishi beads. Clasps & disc beads are gold plated, so they shouldn’t get wet or damp, & they should be kept away from seawater & anything that contains alcohols (perfumes etc.) You can upgrade the delivery method in your basket if you want this product to arrive quickly. It can be personalized for sizes or colors. The color selections are shown in the last two photographs. Colorful Heishi Beaded Necklaces With Shell Beads & Gold Plated Discs