Safe material: The toothbrush holder is made of high-quality 304 stainless steel. It is safe, non-toxic, waterproof, and rust-proof. Robust and durable: The material is made of high-quality 304 stainless steel, making it hard and durable. The 3M adhesive is super sticky and can hold up to 4.5 kg without fear of falling. Dustproof design: The toothbrush holder has a dust cover. When used toothbrushes are placed on the shelf, they not only dry faster but also prevent dust and bacteria from accumulating, making your home more hygienic and safe. Space-saving: The wall-mounted holder can hold 4 toothbrushes at the same time, saving space and keeping your bathroom tidy. Easy to install: You don't need any tools to drill holes. Just peel off the 3M adhesive, stick the holder to the wall, and press firmly. After applying the adhesive, wait 24 hours before placing any items on the holder.