materials: made of PP material, magnetic on the back, , no odors, non-; 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 , their back has a huge magnet, they are strong enough and not easy to fall off or slide out of your whiteboard 6 Different sizes of marker holders is convenient to organize your workplace and home. With elegant and contemporary designs, this storage pocket is a practical and to keep your house essentials within reach. Material:PP plastic colour:white Package Contents: 6 * Magnetic file holders(L, M and ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.