Shanghai. Size: cm H 19,2 x L 19,6 x 6 / H 19,15 x L 23,5 x 6 / H 19,15 x L 29,25 x 6. Pieces in each box: n° 10. Full or Light. Only in gres. The sunbreaks have been used for centuries to protect openings or parts of buildings to limit the damage of sun rays, and to create light effects, and to limit the view from the outside of a building.