Obsidian & Howlite Natural Stone 3 Snap 18mm/20mm Bracelet (KB4555) - This natural stone snap will come in various patterns similar to the picture. Variances will occur as this is a natural stone. Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Howlite is a gemstone, which also has some dark gray or black colored stripes like that of a spider's web.
This fits our 18/20mm Snaps