5 Piece Square Copper Cook Set with Glass Lid – Bake, Fry, Roast, Steam – only $27.49 shipped. Order 2 or more for only $24.99 each! These were over $10 more last time I posted. Eternal’s Cerami-Tech Non-Stick Technology lets you cook without added oils and virtually NO clean-up. Eternal works on all Stove Tops and is Heat Resistant up to 800°.