Neelam Ratna Lakshmi Peeli/Yellow Kawri Kodi Peeli Cowrie Sea Shell | Laxmi and Diwali Pooja Article Koudi Shells (Natural Yellow) - Set of 11 The joy of collecting and combing the beach is addictive, since every specimen is so unique. Colour, markings, pattern, texture, shape, size, all change radically between species. Many shells we find on the beach are already equipped with a neat little hole in them. Pulls some string through or add a wire loop and you've got a piece ready for earrings, a necklace or a bracelet.