Translation of "Sizes" in Chinese

These paintings are different sizes.

這些畫的尺寸不一樣。

Do you have smaller sizes?

你有沒有小一點的尺寸？

Do you have any smaller sizes?

你有任何比較小的尺寸嗎?

We’ve gotten used to these gigantic portion sizes at restaurants.

我们已经习惯了餐馆的大额配餐

The colours of the napkins are the same, but the sizes are not.

这些餐巾颜色相同，但大小不同。