Prime Enterprises Aluminum Round Cake Mould for Microwave Oven (Silver) - 6 inch Prime Enterprises Aluminum Round Cake Mould - 0.250 Kg / Quarter Kg Cake Mould 6 inch diameter and 2 inch depth, Microwave oven safe at convectional mode and normal OTG ovens. This is 100% Aluminium Material with smooth and thick round edges. This is Food-grade Aluminium tin which is Strong, Lightweight and durable which will last for years if used carefully.