Good quality materials: made of PP material, magnetic on the back, durable, no odors, non-toxic; These marker holders are not easy to deform, they can help your rooms look more organized Multipurpose: the large size refrigerator storage pocket is suitable for laptops, letters, small sizes are good for pens, markers; These plastic magnetic holders are excellent for class whiteboards, offices, refrigerators, lockers, etc. Elegant deign: this versatile magnetic holder with a simple and elegant design is helpful to avoid losing notepads and minimize the clutter of the desk Firm magnetic bracket: these white magnetic holders can stick to any metal surface, their back has a huge magnet, they are strong enough and not easy to fall off or slide out of your whiteboard 3 Different sizes of marker holders is convenient for you to organize your workplace and home. With elegant and contemporary designs, this storage pocket is a practical and easy way to keep your house essentials within reach. Material:PP plastic colour:white Package Contents: 3 * Magnetic file holders(L, M and S) / 3 * Magnetic file holders(L, M and SS)