ULTRA DURABLE & RELIABLE: The 2024 Upgrade Magnetic Chalkboard is crafted with premium materials in a 40" x 32" arch shape, perfect for shared spaces. Featuring a sturdy four-layer structure, it ensures long-lasting durability. The matte surface allows for smooth, clear handwriting, ideal for planning, teaching, and organizing tasks. ENHANCED ADHESIVE STRENGTH: The improved adhesive backing ensures a secure hold on various smooth surfaces, including walls, glass, metal, wood, PVC, and plastic. Simply apply the decal and smooth out any bubbles from the bottom to the top. NOT suitable for: Dusty, damaged, uneven, or damp surfaces.