Hinged on all four sides but there are no hinge pins. It does stay together even without the pins. Very nice detail on the inside, see photos. The item "Antique Swan Ice Cream Mold No. 26 Germany Large 9 Double Handled Detailed" is in sale since Wednesday, May 5, 2021.This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Molds". The seller is "attic_books" and is located in Paso Robles, California. This item can be shipped to United States.