These Vevor canvas boards are a practical art supply for students, hobbyists, and professional artists. The 24-pack includes 9" x 12" white painting panels made with cotton canvas over a sturdy 3 mm MDF board for added stability. Each panel is pre-treated with triple layers of gesso, so they are ready to use right away. They are suitable for acrylics, oils, sketches, watercolors, and other creative applications. The smooth, tightly woven surface helps support vivid color and detailed artwork.