Aluminum Round Cake Mould is Microwave oven safe at convectional mode & normal OTG ovens. This is 100% Aluminium Material with smooth & thick round edges. This is Food-grade Aluminium tin which is Strong, Lightweight & durable which will last for years if used carefully. Easy to use and quick to clean- can be used safely in the Ovens. Easy wash and Long Lasting. Non-toxic, non-staining & non-reactive with food Washable & Re-Usable Mould.