Eco Sponge The external scrubbing layer is made from 100% corn starch, white the middle foam is made from 20% Soy Bean oil. This revolutionary and natural material has the following amazing features: Tough enough to scrub burnt in mess, while being gentle enough to be used on non-stick cookware The texture is soft and smooth so will not irritate or scratch skin Will biodegrade in compost within 6 months (Outer Scrubbing layer only) Made from a natural and renewable resource – corn starch During manufacture – 3 times less energy used & 10 times less Greenhouse gases are emitted than with nylon scrourers Can be washed and sterilised in a washing machine or dishwasher Minimal packaging so not filling up landfill with unnecessary rubbish Can be used on hot surfaces up to 100 Degrees Size : 12 x 8.5cm Where to use: – Glasses – Plates – Cutlery – Cookware