This is a room cage sized for your dog's comfort. It opens and closes with one hand! The door lock is a one-touch type that can be easily opened and closed with one hand. The top door is a half-open type, making it easy to care for your dog and allowing you to easily take your dog in and out. It comes with convenient casters for easy movement. It also has a slip-prevention feature to hold the sheet in place. ● Product size (approx.): Width 91.6 x Depth 63.6 x Height 60.3cm (including casters) ● Internal size (approx.): Width 85 x Depth 56.5 x Height 52.5cm ● Product weight (approx.): 9.63kg ● Suitable dog size (approximate): Medium to large dogs ● Suitable sheet size: 1 double-wide size sheet ● Materials: Panel: Steel (epoxy powder coating) Door lock/buckle: ABS resin Joint: Polypropylene/ABS resin There are no missing parts needed for assembly. It will be wrapped in bubble wrap for shipping.