Our Poly/Cotton blend Canvases for water based inks are a blend of Polyester and Cotton with a bright white finish, are OBA and 100% acid free, with a neutral pH coating.They are ideal for fine art photography, and demanding art giclée productions. They have outstanding water resistance and stretch and mount with ease. We only print canvas A3 size and larger, all editing adjustments need to have been done, prior to us taking the job.