The Gobel N-stick Obsidian Round Fluted Tart Mould features a removable bottom and has a diameter of 280/270 millimeters with a height of 25 millimeters. This tart mould is designed for baking round fluted tarts with ease. The N-stick Obsidian coating ensures excellent non-stick properties, making it convenient to release baked goods without sticking. The removable bottom allows for easy and clean removal of the tart after baking.