Legion Yupo Watercolour Paper Roll 30 x 10 yards. Yupo is a compelling and unique alternative to traditional art papers. It’s a synthetic paper, machine-made in the USA of 100% polypropylene. It is waterproof, stain-resistant, and extremely strong and durable. It is 74lb (200gsm). This extraordinary, non-absorbent surface resists tearing and buckling and remains perfectly…