About this item Guaranteed to hold strong: We recently upgraded to an even stronger adhesive. We guarantee it. Contact us if you have any issues. Keeps your headphones out of sight & easy to reach. Mounts in seconds & holds ultra-securely to clean/finished surfaces - we guarantee it. Will not hold to unfinished wood or fibrous surfaces. Thick premium silicone construction + steel inner reinforcement (new). Lessens cord clutter. Can hold two sets of headphones. Dimensions: 4.49 x 3.15 x 2.4 inches.