Features: This selfadhesive magnetic whiteboard sheet effortlessly clings to any metal surfaces using rubber magnetic materials, eliminating tools for instantly installation perfect for creating temporary bulletin boards in offices, classrooms, or homes. Crafted from quality rubber magnetic materials, the lightweight yet durability surfaces withstands repeated writing and wiping while maintaining strong adhesion without damaging surfaces. Ideal for educators organizing lesson plans, project managers tracking workflows, and busy families managing schedules, this versatile tool adapts to various information sharing needs. Transform refrigerator doors into meal planners, office partitions into collaborative spaces, or student desks into study organizers with this multi surfaces magnetic whiteboard solution. Perfect for home, office, and classroom use. Specifications: Component: Rubber magnets, Size: Approx.20x2mm/0.78x0.08inch Option Type:100pcs,50pcs; Practicality: It is suitable for offices, classrooms, homes and other occasion. It can be used for writing, announcement display, planning management, to improve work and learning efficiency. Package Includes: Pacakge A 50pcs 20x2mm Flexible Magnets Pacakge B 100pcs 20x2mm Flexible Magnets note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.