A great way to house litter mates and small dogs! It eliminates the need for a replacement crate. The Expandable Pet Crate has a sliding lockable front door to ensure your pet is safe and secure in his/her "own" special space. The Lift ?n Lock side door provides easy retrieval of feeding dishes and training pads. The plastic Expandable Floor Tray protects floor surfaces from pet stains and odor and removes easily for cleaning. The crate's beautiful hardwood construction complements Richell's other fine wood pet products. Assembly required. Wire Top and Divider sold separately. Please NOTE: Sliding Latch, make sure to attach Sliding Latch on the outer edge of Door Frame on each side. Door Panel, when assembling the Door Panel on right side of the crate, the Door Panel must be flipped upside down and the Sliding Lock will be pulled down to unlock the Door.