These 100mm by 100mm coasters is made from Melamine that can be fully printed with any colour and has a choice of blaize or cork base. This allows for a great deal of customisation and allow you to create a truly personalised product. The blaize backing comes in various colours as well including Black, Blue, Dark Green or Burgundy. With a thickness of 3.2 and a matt finish, this coaster would make a great promotion.