Keep your bottle sparkling clean and fresh with EQUA natural and biodegradable cleaning tablets. They are easy to use and efficient to remove tough stains leaving your favorite EQUA bottle shining like new. No rubbing or sponging required. These tablets can be used for all glass, plastic and stainless steel water bottles. In order to clean the stainless steel bottles optimally and gently, we recommend rinsing the bottle after cleaning with soap.