These Onyx beads are great for jewelry-making and beading projects. Onyx is a unique, precious stone known for its durability and deep black hue. Whether you're creating bracelets, earrings, or necklaces, these Onyx gemstone beads will help you add a classic look and feel to any design project. Each bead measures about 5 x 5mm with a hole size of approximately 1mm. Each pack comes with about 90 to 100 beads. Grab a pack for yourself today.