Good material: these pumice sticks are made of good material that is odorless and , do not absorb the grease and gunk, safe for people, animals, plants and water; It 't scratch your ceramic tile and metal; Easily solve your stains and troubles Apply to: a large number of cleaning sticks , you can clean your pool, kitchen, barbecue, and even the toilet; Don't worry, the cleaning sticks have enough quantity; Let your life be in a clean place Functions: pumice sticks can be applied to clean tile, to clean bathroom and kitchen, remove hard water rings, clean rust from grills; Besides, use them to clean and scour away , calcium and rust build up from the pool tile or on the spa Easily fit your palm to make your cleaning process more comfortable; In order to clean narrow edges and corners, you can peaked the pumice stone with some tools