An acid free, archival substrate made from a mix of 25% cotton and 75% lignin free cellulose. The 200gsm paper is cold pressed and both internally and externally sized resulting in a slightly textured, highly absorbent surface which is ideal for creating a different levels of detail. The Goldline Studio Watercolour pad is ideal for a variety of media including watercolour, gouache, acrylic, ink, charcoal and pencil. The pad is gummed landscaped style on the long edge. 30x40cm size. 200gsm. 50 sheet pad.