The material of the pocket square is polyester silk satin.Polyester is a man made fiber that is mostly categorized as purely synthetic fiber.It is soft in texture and good in feeling and permeability.It is good all season fabrics, you will never worry about out of season. They are bright, shiny, and perfect for whatever occasion and will make you look brighter and stand out.No fade or deformation. With great common color selection, it’s a great beginning set for a dapper gentleman. They are the must-have for weddings, party and celebration.