Click the thumbnails to view larger images. Large Nene Bowl Salad Servers Medium Nene Bowl Napkin Ring Letter Opener Small Nene Bowl Mini Nene Bowl Acacia Koa is a native hardwood exclusive to the Hawaiian Islands. We offer our koa nene line in a variety of figure and color ranging from a light golden yellow to dark brown. Holden Wood Design takes great pride in hand selecting the finest curly and select koa available, ensuring the utmost quality of either choice. Choices: Premium grade, known as curly, is often figured and exhibits a beautiful, luminous glow. Also ranging from lighter to darker tones, the select grade showcases the beauty of koa's straighter grain.