About the productA 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 spaMaterial: these pumice sticks are made of good material that is odorless and nontoxic, do not the grease and gunk, safe for people, animals, plants and water; It ' scratch your ceramic tile and metal; solve your stains and troublesApply to: we have prepared a number of cleaning sticks , you can better clean your pool, kitchen, barbecue, and even the toilet; ' worry, the cleaning sticks have enough ; Let your life be in a clean place' clog like the brushes, these 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.Toilet Cleaning StoneToilet cleaning are made of ecological material that is odorless and nontoxic do not the grease and gunk and safe for people, animals, plants and water. It ' scratch your ceramic tile and metal, cleans the toilet much easier and more thoroughly than a brush, you can wipe off the dirt and rinse with clean water.Specifications:Material: foam glassColor: greySize: 5.9 x 1.4 x 0.9 inches/ 15 x 3.5 x 2.5 cm:30 piecesPackage Contents:30 * cleaning stripsOnly 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.