After relooking at your pics, I think your ratties are capped blazes.
Capped has color only on the top half of the head, no back stripe.
And with the blaze on the head it looks somewhat like a masked, but I'm not 100% for sure with those pics.
Most masked rats are actually black eyed whites and most BEW's throw some masked and some solid whites.
Here is a pic of my first masked girl I had, such a sweet rattie she was.
In any case those are some cute ratties
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