Craft Supplies › A3 Cotton Canvas Primed Pad 10 sheets Primed 280gsm A3 Cotton Canvas Primed Pad 10 sheets Primed 280gsm £9.41 A3 Cotton Canvas Pad Seawhite's excellent quadruple-primed cotton canvas sheets - Acid Free Ideal for oils acrylic & mixed media2mm board backing Modern design front cover Glued and taped on the short edge Size: A3 - 280gsm - 10 Sheet Pad. Get notified by email when this product is in stock. Sign up to receive news and updates. Add To Cart Added! A3 Cotton Canvas Pad Seawhite's excellent quadruple-primed cotton canvas sheets - Acid Free Ideal for oils acrylic & mixed media2mm board backing Modern design front cover Glued and taped on the short edge Size: A3 - 280gsm - 10 Sheet Pad. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More