Olympia Raw Recycled Clay Deep Bowls White 160mm (6 Pack)New Olympia crockery range, Raw. Based on a trend for sustainability and circular economy; the Ecogres (trademark) black clay has a stoneware base, but more than 80% of the raw material is made up of waste production by products. Material that would have otherwise been wasted is ground in to the slip, and make the clay the definitive black colour with the strength and appearance of stoneware product. Designed for use in restaurants, cafes, delis and