The secret to Artfix's exceptional quality, smooth surface and luminous undertones lies in their unique protective formula that isolates each individual fiber. This sealant prevents the acid in oil-based primers from penetrating and destroying the canvas over time. After the sealant is applied, as many as four layers of oil-based or universal (acrylic) primer are applied, ensuring that paint will permanently adhere to the canvas without cracking, peeling or flaking when utilizing professionally accepted standards. Artfix offers a conservator-grade painting surface that, when treated properly, preserves finished art century after century. It is this close attention to detail that makes Artfix a premium product for artists.Artfix is made with the Finest Belgian linen, featuring the longest natural thread (fewer knots) for a strong, flawless surface. Linen's pH stability is far superior to cotton, whose vulnerability to external and internal acids compromises its permanence. Artfix is double sized f