The Thomas Cufflinks are madeof sterling silverand suitable for all inclusions ( ashes, hair, fur and breastmil) Colour options are shown in the photos above. Each piece is custom made by me ensuring amazing quality every time. I encase your precious inclusions in very high quality none yellowing epoxy resin, in a wide range of colours and effects for you to choose from. Please read the FAQ section for details of how much inclusion is needed, where this should be sent, and timescales for orders.