Plastic free made from sustainable resources. A solid beechwood handle, stainless steel clip & bristles made from Sisal fibres (cactus). Biodegradable, will not release harmful microplastics into the environment. Non-toxic. Solid & hardwearing, removes burnt on foods & grease. Lasts for months. Replacement heads available. Non scratch. Most kitchen sponges & scourers are made of plastic which unfortunately means microplastics are getting into the ocean. When the brush has passed its best, don’t throw it away, just replace the head.