A of functions: pumice sticks can be applied to clean tile, to clean bathroom and kitchen, remove hard water rings, clean rust from grills; Besides, use to clean and scour , calcium and rust up from the pool tile or on the spa Material: these pumice sticks are made of good material that is odorless and nontoxic, do not the grease and k, safe for people, animals, plants and water; It 't scratch your ceramic tile and metal, clean more easier and thoroughly than a brush, you can wipe off the dirt and rinse with clean water; solve your stains and troubles Enough : we have prepared a number of cleaning sticks ; Let you life in a clean place. Suitable size: fit your palm to make your cleaning process more comfortable Size: 5.9 * 1.4 * 0.9 inches/ 15 * 3.5 * 2.5 cm Color: grey Material: Foam glass Package Contents: 8 * Cleaning strips Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.