The LOXX series Tissue Paper Holder by nie wieder bohren Germany includes the patented no drill mounting system designed specifically for tile, natural stone, glass, metal, wood and acrylic and plastics. The system installs without any tools, in literally a minute and holds up to 35lbs. The nie wieder bohren mounting system can be used indoor or out and in wet or dry environments. The mounting system carries a Lifetime Warranty and can be removed if needed with no damage to your fine surfaces. "An optional patented no drill mounting system for drywall is available on request. After placing your order, please click the "Contact Seller" button to message the vendor your request for the no drill mounting system."