Craft and Decorative Round Mirror Glass Create craft, mosaic, resin, display and decorative projects with precision-cut 2mm flat round silver mirror glass. Made in the UK, these circular mirror discs are available in 1mm diameter increments for centrepieces, frames, jewellery displays, collectable displays and bespoke interior designs. Each made-to-measure mirror blank has wet-finished front and back edges. Choose the diameter required for your design and use a mounting method appropriate to the size, weight and intended setting of the finished project.