This PME Heart Cake Tin is made from 16 gauge, non-reactive anodised aluminium with straight sides and a user-friendly hemmed rim for durability. Its even wall thickness and seamless construction make it perfect for creating smooth, straight edges on cake layers, ideal for special occasions like weddings and Valentine's Day. Each tin measures 3 inches deep. Please note that tins larger than 14 inches may not fit in a domestic oven, so it's recommended to measure your oven's interior dimensions before purchasing. Ensure there is adequate space for the tin's lip. This professional cake tin is designed for baking heart-shaped cakes. The PME heart-shaped bakeware is available in various diameter sizes. Hand wash with warm, soapy water. Not suitable for the dishwasher.