You can not say if you're room is cool without this 220BPM poster on the wall, especially the A3 format is a great choice to make your room much cooler and harder!!
 
Printed on 300gsm Premium Heavyweight Lustre paper with a brilliant white surface. 
High quality, ready to frame or display.
A3 297 mm X 420 mm
A4 210 mm X 297 mm