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 Apply to: a large number of cleaning sticks for you, 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 Good 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 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 Feature: This pumice cleaning stone is made of pumice, sturdy and high density. It is applied to quickly clean stains, do not scratch your ceramic tile and metal. Your home will take on an entirely good look by it. Specification: Size: 5.9 x 1.4 x 0.9 inches/ 15 x 3.5 x 2.5 cm Material: foam glass Color: grey Tips: You can peaked the pumice stone with some tools to clean the and corner. Package includes: 10 x Pumice stones Only the above package content, other products are not included. Note: Light shooting 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.