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Willow Charcoal
30–90 seconds
die-cutting
6pc Sumi Sets
Introducing six inspiring themed new sets within the Matisse Structure Formula range
Gamblin PVA Size Cretacolor Artist Chalk Willow CharcoalGamblin PVA Size PVA (Poly Vinyl Acetate) is a contemporary size for fabric support. On linen and cotton canvas, it prevents the fabric from absorbing atmospheric moisture that eventually causes swelling and shrinking, and ultimately, paint cracking. PVA Sizing retains its flexibility. Neutral pH means that it will not yellow. PVA Size is a sizing material, not a ground. It's used to seal the raw canvas fibers (cotton or linen) to protect them from