ISO 3394:2012 sets forth a series of dimensions for rigid rectangular transport packages, based on the standard plan dimension (module) of 600 mm ? 400 mm, 600 mm ? 500 mm and 550 mm ? 366 mm, as outlined in ISO 3676, which defines the plan dimensions of four series (1 219 mm ? 1 016 mm, 1 200 mm ? 1 000 mm, 1 200 mm ? 800 mm, 1 100 mm ? 1 100 mm).