Now Designs is pleased to offer Ecologie: an innovative line of environmentally sustainable dinnerware and serve ware. All items in the Ecologie line are made from a plastic-like material made of crushed bamboo and rice husks. It is tested food-safe and contains no harmful chemicals. Despite being durable for everyday household use, Ecologie items will naturally biodegrade in a landfill, for complete cradle to grave sustainability. Ecologie dinnerware items are lightweight with a smooth matte finish and are perfect for summer outdoor dining or everyday indoor use. All Ecologie items are top rack dishwasher safe. This set includes five nesting mixing bowls. Diameters of five bowls are: 6.4cm , 7.6cm , 8.9cm , 10.2cm , 11.4cm .