These pretty buttons are made of pure corozo nut, the smooth, hard seed of the Tagua palm, which grow naturally in the wild and can be sustainably harvested without harming the trees or the rainforest habitat. In a beautiful dark brown color, these four-hole rimmed buttons have a classic, tailored look and are a perfect fit for cardigans, shirts, and anywhere else you'd like a button. Each button is sold separately, in your choice of 5 sizes: 5/8" (15 mm or 24 L), 13/16" (20 mm or 32 L), 7/8" (22 mm or 36 L), 1" (25 mm or 40 L), and 1 1/8" (27 mm or 44 L). Also available in black, warm brown, and warm white!