Cotton Canvas Board. This cotton canvas board from the Universal Line offers a practical and lightweight surface for painting with all types of paint — oil, acrylic, watercolor, tempera, or spray. The canvas is made of 100% natural cotton with a weight of 320 g/m² and is firmly shepsed onto a sturdy 3 mm cardboard base. The linen-textured board is primed with a base layer and is acid-free, ensuring long-term durability and color stability. Its key advantages include high strength and puncture resistance while remaining lightweight and easy to handle. Ideal for students, hobby artists, and quick studies.