A variety 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 them to clean and scour away lime, calcium and rust build 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 absorb the grease and gunk, safe for people, animals, plants and water; It won't scratch your ceramic tile and metal; Easily solve your stains and troubles^Apply to: we have prepared a large number of cleaning sticks for you, you can better 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^Suitable size: each stick measures 5.9 x 1.4 x 0.9 inches; Easily fit your palm to make your cleaning process more comfortable^Precautions: Soak the area to be cleaned and the gray pumice before cleaning, so that the pumice has a more powerful cleaning function.^