SSN paper type??

[r***@gmail.com]

Does anyone know what kind of paper to use to print ssn cards? like
(cotton or linen) lbs and % of cotton or linen ?
A specific paper brand that I can buy from a store like office depot or
staples would be awesome..
tia!!

[Blad Krytyczny]

The modern paper has colored things embeded. It might be hard to find.