More Views Hatter's Cleaning Sponge - Hat Care A cleaning sponge is used absorb surface soils from felt hats when cleaning. 1 Sponge per pack (nb. Image shows stock box). Product Code: ATH-7024 £10.00 Add to Cart Add to Wishlist Add to Compare Email to a Friend Review Product Tags Product Tags Add Your Tags: Add Tags Use spaces to separate tags. Use single quotes (') for phrases.