Circulon Ultimum 23cm Springform Cake Tin 3 "Mediocre Item." Mr Martin Blakebrough 03 May 2018 A somewhat disappointing cake tin as it cannot be used without a grease-proof paper lining - cake mix leaks out due to ill-fitting base resulting in a very messy oven. On the plus side the contents are easily removable after baking. A note from the team Thank you for your review. We're sorry to hear of your experience - due to the ill-fitting base and trust our offer of help is beneficial.