Dishmatic Non Scratch Refills are ideal for all delicate or non stick surfaces, if in doubt, test on a non visible area first. They have been treated with our anti-bacterial agent to prevent the growth of bacteria. When the sponge wears out simply unclip it and replace with a new Dishmatic Refill. All Dishmatic refills are interchangeable and all sponge heads are treated with our anti-bacterial agent. Wiping away the spills, drips and stains of everyday life is a necessary chore but it shouldn\'t cost you the earth. Every kitchen uses the humble scourer daily and those made from recycled materials are every bit as good as those made from virgin materials and are more eco-friendly. Features of Ecoforce scourers include: Non scratch and heavy duty Contoured for easy grip At least 90% Recycled Fibre