This product can hold five toothbrushes together. To hang them, no such drilling or nail attachment is necessary. This product is light in weight and can be easily mounted to your wash room wall. They can easily be fixed on all smooth airtight surfaces like glass, ceramic, acrylic, or marble. This toothbrush holder is made for 5-10 times more powerful adhesion than normal holders. It has a distinctive groove design that makes placing the brushes easier. It can be considered as a waterproof mini shelf to carefully hold your toothbrushes.