About This

• [MULTIPLE SIZES AVAILABLE] This Magnetic Field Viewer Film comes in three convenient sizes 25x35mm, 40x45mm, and 30x50mm, allowing you to choose the for perfect fit for your scientific needs.
• [EASY TO USE] Simply place the film on any magnetic material to reveal intricate magnetic field patterns, making it a user-friendly tool for both beginners and professionals.
• [LIGHTWEIGHT AND PORTABLE] Designed for convenience, this film is lightweight and easy to carry, enabling you to conduct experiments anywhere with ease.
• [ FOR SCIENTIFIC RESEARCH] Perfect for students, educators, and researchers alike, this film aids in the study of invisible magnetic fields in various applications.
• [SIZING REMINDER] Please refer to your own size guide rather than Amazon's size chart before purchasing.