Arches Watercolor Block 10 x 25 cm - Hot Pressed, 20 Sheets Arches watercolor block 10 × 25 cm 20 sheets of hot-pressed, 100% cotton paper. Known for its smooth surface, the hot press finish is perfect for fine details and vibrant washes. Each sheet is acid-free and crafted to withstand multiple washes without warping or deteriorating, making it ideal for artists who prioritize quality and durability in their work. Check out my other art supplies, from hobbyist to professional grades, and feel free to ask about combined postage