The New Age Pet ThermoCore Dog House is made with ECOFLEX®, a proprietary composite blend of recycled polymers and reclaimed wood fiber by-products. The ECOFLEX® material is non-toxic, eco-friendly & impervious to moisture & odor, making it the perfect material to keep your pet happy and healthy. All New Age Pet outdoor products are backed by an unrivaled 10-year limited manufacturer warranty. This x-large, super insulated dog house protects your pup from temperature extremes with ThermoCore technology. Cooler in the summer, warmer in the winter, stylish all year round! Door flap available for separate purchase. Available in gray/white and Mossy Oak® Break-up Country pattern. New Age Pet products are easy to assemble, easy to clean & easy to LOVE!