Made up of silicon, flexible, easy to store, easy to wash, Non-sticky. It contains circular guides, make rolling out pizza dough and pie crust a breeze. Measurements arounds are in imperial and metric, ideal for cookies and bread. Simply wash your silicone baking mat with warm soapy water or place in the dishwasher to clean. Use it in oven, microwave or refrigerator, Forceful adsorption function. Suitable for small cake, pudding, jelly, bread, pizza etc. Non-poisonous and harmless, no peculiar smell ,soft silicone material, space-saving. For repeated use also.