Innovatively designed with a built-in magnet and silicon , these magnetic pen holders can be conveniently attached to smooth, flat metallic surfaces including refrigerators, whiteboards, monitors and more. for non-metal surfaces such as clipboards, easels or desks, allowing easy and versatile attachment. The Magnetic Pencil Holder offers an extremely user-friendly design. You don't need to remove the holder when using your pen, ensuring a seamless writing experience. Post use, simply the pen back into the holder, minimizing the chance of misplacing your writing tools. It's akin to transforming a regular pen into a magnetic one! Our product is designed to accommodate a of pen and pencil sizes, thanks to the high-quality silicone collar. The elasticity of the holder accommodates utensils with a diameter of 6-22mm, making the holder versatile enough to house both small pencils and large markers. For an adhesion experience with these magnetic pen holders, the perforated side of the holder the pen while the silicone-wrapped side is placed against a metal surface or the accompanying magnetic guide sheet. This design ensures better grip and stability. These compact Magnetic Marker Holders are perfect for various settings, from your office desk to your home refrigerator, tools storage or warehouse display rack. Apart from pens, these holders can also be used for other small items like charging cables or toothbrushes. Given their conveniently small size, these can be fixed in a spot or carried around with ease. size: 44mm Material: Silica gel colour: Black Package Contents: 12 x Magnetic Pencil Holder 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.