EcoSouLife Biodegradable Dining Square Bowls 4 Pcs Biodegradable Bowl made from vegetable waste matter of corn, starch, bamboo and rice husks. Sustainable everyday product, that naturally biodegrades once buried the ground. Dishwasher safe & Reusable Heat resistant up to 248F (120C) Diameter: 5.1" (13cm), Height: 2.3" (6cm) Made in Australia