Training Puzzle XY-Ch-001 Dimension(mm): 240x190x100 Art of printing: Box: 250gsm grey-board with white covered, 4C printing, mounting A9 strengthen E flute, glossy lamination. Cover of the Puzzle: 250gsm duplex coated board with grey back, 4C printing, glossy lamination coated, mounting the grey-board with white cover in the middle. Back of the Puzzle: 250gsm duplex coated board with grey back, die-cut, wrapped shrinking.