Brown Grout pens are designed to Restore and revive the look of brown tile grout Revives the look of Grout Change Colour of your tile Grout Anti-bacterial agents help prevent mould from re-appearing Ideal for floors & walls in bathrooms and kitchens This Grout ink formula is water based and covers over stained areas that are caused by everyday mould and dirt build up on grout between tiles. Not only does this product restore the grout’s look it also helps prevent further moulding with its anti-bacterial formulation. Product Specifications Large Brown Grout Pen with a 15mm broad nib that is reversible. Water based & non – toxic. Anti – bacterial & anti – fungal formula. Safe to use in enclosed areas. Covers 50 metres of grout area. Water resistant. Valve activated to control ink flow. For use on all types of wall & floor grout.