Suitable for 99% Electric Toothbrushes: Our electric toothbrush holder base adopts a four-step design with an inner diameter of 4.2cm, which is suitable for storing toothbrushes of different sizes, making the toothbrush more stable and not easy to fall into the toothbrush holder. Easy Installation: Before installation, keep the surface clean and dry, apply the donated nail-free glue to the back, stick it on the desired smooth surface, keep it for 30 seconds to remove air, then wait 24 hours before using it. No drilling required, easy to use, suitable for smooth surfaces such as glass and tiles. Environmental Protection and Health: Our electric toothbrush holder is made of high-quality stainless steel material, has no odor, and the back glue is made of high-quality nail-free glue, which fits firmly, has no traces, is non-toxic and pollution-free, and is safe to use. Space Saving: Our electric toothbrush holder can help you better organize the storage of electric toothbrushes and facial cleansers, etc., and keep the bathroom tidy Service: If you have any questions after receiving the toothbrush holder, you can contact us at any time, and we will provide you with the best solution.