This bracelet includes 24 pieces of Natural Australian Fire Opal measuring 4x6mm in a prong setting. These opals are colorful natural white fire opals with flash of blue, green, orange that are dyed to look like a colorful black opal. This bracelet is an adjustable 16cm - 20cm. This item includes a gift box and a certificate of authenticity with purchase. This item is made to order, please allow 10-15 days for processing and delivery.