Strathmore 400 Series Watercolor Block - 9 x 12 inches Painting Pads and Tools With both internal and surface

With both internal and surface sizing

Vellum is used for a variety of purposes

Speedball wasn't messing around when they came out with these frames

Each tool measures approximately 7" to 9" long

imported natural tracing paper of exceptional quality from the Canson mill in France

Strathmore 400 Series Watercolor Block - 9 x 12 inches Painting Pads and Tools With both internal and surfaceThis blended wood pulp paper has a professional grade random surface. Recommended for intermediate and advanced watercolorists for mastering their technique. Acid free, 140 lb., rough. Blocks contain fifteen sheets and pads contain twelve sheets.