BP&O turns to a category most designers never think about: ten kilos of clay in a bag that has to be carried, stored, poured and resealed without disaster. Clay still holds roughly two-thirds of the UK market by material — bentonite clumps well, but it is mined, heavy to ship and usually lands in a plastic bag headed for landfill. The piece looks at how wood, paper, corn and walnut alternatives are being packaged for a £18 billion market, and at who actually has to be convinced.
