A chain necklace with Akoya Pearl set on a polished black butterfly shell. The mother-of-pearl shell (Mother of Pearl) and the pearl born from it (Pearl) feel the harmony of each other in calm shine. Considering compatibility with the chic black of the black butterfly, Akoya pearl chose a faintly yellowish pearl of color to make it a soft impression. Pearls are set with a silver core. The silver chain is a cut adzuki. It is a design that shines brightly. Casual, as well as elegant necklace you can use even in the formal seats. Material / Black butterfly shell (Black MOP) / Akoya pearl (Akoya Yellow Pearl) / Silver Top size / length 9 mm × width 13 mm Pearl / 3mm Ball Chain length / 39 cm Chain frame / width 1.2 mm thickness 0.3 mm 【What is black butterfly shells】 mother shell growing black pearls. I am using shellfish purchased from Amami Oshima. It has a deep black color and emits a rainbow-colored light according to the angle. It is chic and shellfish with very good compatibility with silver. 【How to care for shellfish products】 Shellfish has a weak acidic character as well as pearls. Since it may react to acidic detergent, foaming bath agent, vinegar, light removal liquid, cosmetic product, hair spray and so on, the gloss may disappear, so we recommend you to remove it in that case. After use, wipe the sebum and sweat with a soft cloth, carefully wound the scratch and please keep it. It is an easy way to wipe off with a clean silver polishing cloth (Please do not soak shellfish in liquid cleaner). * It will be merchandise together with other stores. We are careful about product management, but when it runs out of timing it will be re-produced. Please acknowledge it. * Depending on the environment of your personal computer, it may differ from the color of the actual product. * We will refuse purchase for resale and imitation.