An animal enclosure 1 comprising a plurality of panels 3, 5, 7 and a plurality of ring clips 9. Each panel 3, 5, 7 comprises a peripheral wire and a plurality of longitudinal and lateral wires providing a grid of openings within a boundary formed by the peripheral wire. At least one corner region of each panel includes a portion of said peripheral wire that is curved. Each ring clip 9 comprises first and second arms that are moveable relative to one another to close. The ring clips 9 are configured to co-operate with the panel’s curved peripheral to envelope a portion of the curved peripheral wire in adjacent corner regions of first and second coupled panels. Such that the first panel is restrained from translational movement relative to said second panel. The panels may be triangular, square or rectangular.