Shell quite irregular roundish or polyhedral, with roundish pores of different size.
Shell spherical or subspherical, with roundish pores of different size.
Shell spherical, with large circular or roundish pores of different size, three to six times as broad as the bars.
The main body of the palace consists of ten apartments of different size, with stuccoed walls and floors.
The doors are irregular, of different size, with slanting or perpendicular jambs and niches distributed without any order.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "different size" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.