It is made of high quality carbon steel material, which has good uniform thermal conductivity, rust-proof, heat resistant and corrosion resistant merits. It adopts non-stick surface design, so that it can bring you a complete food shape without stick on the mould. Pastry mould is made of carbon steel and PTEF material. There are 5 different sizes for you to choose from. This product is suitable for home, household, dorm, office, kitchen. Item Name: Mould Material: Carbon Steel,PTEF Size Details: 1: Outer Diameter: 23.6cm/9.29' (Approx.), Inner Diameter: 21.6cm/8.5' (Approx.), Bottom Inner Diameter: 20cm/7.87' (Approx.) 2: Outer Diameter: 26cm x 13.2cm x 5.8cm/10.23' x 5.20' x 2.28' (Approx.), Upper Inner Diameter: 22cm x 11.5cm/8.66' x 4.53' (Approx.) 3: Outer Diameter: 22.5cm x 19.7cm x 4.5cm/8.86' x 7.76' x 1.77' (Approx.), Bottom Inner Diameter: 18cm/7.09' (Approx.) 4: Outer Diameter: 26.5cm x 18.5cm x 3cm/10.43' x 7.28' x 1.18' (Approx.), Round Cup Diameter: 6.5cm/2.56' (Approx.) 5: Upper Diameter: 21.8cm/8.58' (Approx.), Inner Diameter: 20cm/7.87' (Approx.), Height: 6.5cm/2.56' (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mould