Smooth and polished howlite cabochons dyed to resemble Chinese turquoise. Flat back round cabochons, suitable for gluing into bezel settings, onto flat back bails, even directly on to fabric. There are many suitable adhesives - one that we recommend is E6000. Cabochons have a flat back and are not drilled. These are a classic round shape with a smooth surface and they are a standard size that fits many styles of setting, both vintage and modern. Please check dimensions to make sure they will fit your project. Approximate Measurements: 25mm in diameter. 6-7mm thick. Quantity: 1 Cabochon Due to the nature of this gemstone, there will be some variation amongst the pieces, including inclusions and color."