Brite-Mat® mouse mat and coaster set combo 1. Supplied with a Brite-Mat mouse mat and a set of matching coasters. The set comprises of a rectangular mousemat (0.3 x 19 x 21cm), square coaster (0.3 x 9.5 x 9.5 cm) and round coaster ( 0.3 x  ø9.5cm). Laminated paper, Recycled plastic.