Redecker’s brushes are natural, untreated beechwood. The wood is not sealed using toxic chemicals (unlike many other collections/brands) and consequently when used cracking can occur. This is not a product fault – it is the nature of wood as it naturally expands and contracts when in contact with water. you are making a difference: Redecker is a third generation family business specialising in hand-crafted brushes made traditionally by highly skilled blind brush makers. Sustainable, natural and ethically sourced materials. features: Prolong the life of your Redecker Dishwashing Brush by simply replacing the head. Great versatile washing up tool - gentle enough to clean vegetables, durable enough to scrub caked on food off dinnerware, pots and pans, without scratching. dimensions /materials: 5cm diameter / Untreated beechwood, natural fibre bristles. Handmade in Germany.