Product details:

Fredrix Artist-Series primed artist canvas roll is made from selected cotton yarn and coated with acid-free acrylic titanium priming. Univeral Series Style #580 is an acid free, medium weight 100% cotton duck painting canvas with an even texture. Double acrylic primed to accept oil, acrylic or alkyd paints. 4 oz. unprimed, 10.5 oz. primed.