The scale of the sculptures is strange: these heads and torsos seem to have no fixed size.

This suited the built-in screen of the early Macintosh, with its fixed size of 512x342 pixels.

(A Web "page" is of no fixed size, and the same material can take few or many pages.)

There is no fixed size for compliments slips.

The IPv6 packet header has a fixed size (40 octets).

It is a raster graphics format; that is the image has a fixed size.

Something to think about, the planet we live on is a fixed size and we can not alter that.

It has a fixed size and is usually read-only.

A bucket has a fixed size, which is determined when it is created.

From 1855 to 1933 its members were appointed by the Governor, and the Council had no fixed size.