Kitchen Sponge A biodegradable sponge made from plants! Made in the UK. Compostable sponges, 100% plastic-free and made of natural renewable resources, cotton, wood pulp & flax. They do not emit micro-plastic pollution, unlike classic sponges. Highly absorbent, durable and reusable.  Reusable and home compostable after use. Made in the UK Sponge Size: 120 x 80 x 25mm