Smoke Grey Akoya shell buttons with a beautiful iridescent sheen, available in sizes from 10mm to 15mm. Also known as Agoya or Mother of Pearl buttons, these natural shell buttons have subtle variations in colour, thickness and pattern, making each button slightly unique. A classic choice for dressmaking, shirts, blouses, knitwear, tailoring and other garment projects where a natural shell button is preferred. Material: Smoke Grey Colour: Natural Sizes: 10mm (16 Ligne), 11.5mm (18 Ligne), 13mm (20 Ligne), 15mm (24Ligne) Style: 2 hole Shell button with iridescent finish Sold: Pack of 10 buttons Properties: Natural product, so colour and thickness may vary slightly Natural Akoya shell Akoya shell has a naturally beautiful, iridescent surface that gives these buttons their subtle lustre. Also known as Agoya or Mother of Pearl, shell buttons have long been used in quality dressmaking and tailoring. As a natural material, each button can vary slightly in colour, thickness and surface pattern, adding to its individual character.