Spontex Non-Scratch Sponge Scourers - Pack of 2 Designed with a gentle non-scratch surface, these tough sponges are ideal for cleaning delicate, non-stick surfaces. They're made of super-absorbent cellulose sponge and can be washed in the machine to use again. The unique contoured shape makes it easy to clean in hard-to-reach corners in crockery, glassware and around fittings and appliances.