Here's what I've got for you
I sell all kinds of high quality naked mattresses, semi orthopedic foams, 35 density latex, 22 density and 20 density.
At affordable prices
King sizes ( 7 by 6 and 6 by 6 )
Queen sizes ( 6 by 6 and 4 by 6 )
Student sizes ( 3 by 6 )
Be sure inform the seller you get the contact on Olist