This product uses 3M double-sided adhesive, no need to drill holes on the wall for installation. Matte Black Finish: Perfectly smooth, high-quality matte black finish that resists daily scratches, corrosion and tarnishing. ALL METAL CONSTRUCTION: The towel ring is made of stainless steel for durability and longevity. It is designed and built to last for many years. Its anti-rust material ensures your towels stay clean and hygienic.