This tatami mat consists of the top goza reed mat attached to a polystyrene base.
Traditionally the base (daiza) was made from rice straw but now increasingly polystyrene and compressed wood fiber is used instead.
The edge comes in five options: plain green, plain black, patterned green, patterned brown or patterned blue.
The ichi-jo (1 tatami) mat is the building block for Japanese tatami-styled rooms.