What We Like About the Pet Mate Indigo Dog HouseMOST DURABLE!!!! The Pet Mate Indigo Dog House offers a fun design that offers real protection from the elements. An extended doorway and adjustable rooftop ventilation work to keep the interior dry and comfortable. Structural foam construction will keep your dog cool in the summer and warm in winter.This product carries a 5-year manufacturer's warranty.Due to the size and/or weight of the Extra Large option and to ensure a safe and timely arrival this item requires delivery via freight carrier. The freight carrier will work directly with you to arrange for specific delivery instructions.SIZE DIMENSIONS: Medium - 30.5W x 37.5D x 22.8H inchesLarge - 34W x 43.8D x 25.8H inchesExtra Large - 39.3W x 51.5D x 30H inches