... ovens, dishwashers and fridges.aging-resistant, heat proof, foldable, durable and unbreakablenon-stick, easy to use and ... grade siliconecertificateSGS reportTemperaturerangeMinus 40 to 250 degree CelsiusAdvantageSafe, durable, foldable, non-stick, eco-friendly, heat proofPackagePolybag package/ customizedMOQ500pcs ... , West Union Place of originShenzhen, China foldable/collapsible silicone Lunch box