Treat your dog with the Lifetime Deluxe Dog House. Whether your dog is a family pet, working dog, hunting companion or simply likes to spend a lot of time outside, they need a safe and comfortable space to call their own. The spacious design of this dog house provides most medium to large dog breeds with plenty of room to sleep and relax. Research and development has shown that this unique and adaptable design gives owners peace of mind by providing flexibility around their dog's needs. You can create an enclosed back room that better retains heat or remove the partition for larger interior space depending on your dog's growth and preferences. The main door includes a weighted vinyl flap to help prevent wind or rain from entering the interior and the adjustable side vents provide great airflow. When conditions turn colder, you have the option to mount a heater (not included) and tuck the power cord into the wall channel and through the floor port for a simple and unobtrusive installation. Dog enclosure features a chew-resistant steel door frame Double wall system provides strength, rigidity, and impact resistance Durable, High-Density Polyethylene (HDPE) construction Easy to clean, low maintenance design Easy, do-it-yourself assembly Heater mount bracket included (heater not included) Raised base to prevent water ingress Recessed wall channel and floor port for heater power cord installation (Heater not included) Removable partition wall to adjust sizing of the interior Roof includes a double hand-latch release mechanism and two gas springs for easy opening and prevents slamming shut Hinged roof has two gas-springs so it stays open for cleaning, but won't slam shut on fingers or paws Sturdy steel-reinforcement for extra strength and durability Dog house is suitable for most medium to large dog breeds Rough cut texture has the natural look and feel of wood without the maintenance of painting or staining Two translucent, adjustable side vents for airflo