Made from high quality stainless steel , well made and durable , do not bend or flex at all when we use them. Each ring measures 3" dia. x 1 3/4" height, Set of 4 cake rings with 1 pusher. Easy to clean, oven and dishwasher safe. Perfect to make gourmet like harsh browns,beef patties,pancakes or thick, fluffy pancakes like japanese pancakes,cakes, mousse , desserts , also use them to cut and measure pastry puff and cookie dough. Excellent for baking, layering, and molding of cheese cake or fruit tart.