Size & Material: 18cm, 20cm, & 22cm, Height 2.5′′. Made of food grade carbon steel, heavy duty and durable for long time using.  Spring form Design: Leak-proof tight seal prevents messy spills. Quick release metal buckles & removable bottom help you pop out cakes in perfect shape.  Set of 3 Shapes: Come with heart shape molds. Ideal For all types of cakes including cheesecake, desserts, fruit cake and pies.  Easy to Clean & Store: Non-stick coating surface is smooth to hand wash and wipe dry. 3 pieces are stack-able for convenient storage.