Dimensions(WxDxH): External: 27.91" x 39.8" x 31.5", Internal: 24.5" x 36.5" x 31.2"; Door: 21.5" x 27.5" Works as a kennel and adjustable gate with its all-in-one, multi-functional design. In kennel mode, it provides a safe and secure place for your pal to lounge in anytime. Gate mode allows you to adjust the four panels depending on the size of the room. Includes removable plastic tray that can be pulled out for cleaning purposes Dogs in photos are using medium size crate