Petsfit 31"Lx21"Wx21"H Indoor Dog House Wooden With Door For Small Dog Inner size of the room:28"Lx18"Wx16"H,more details,please refer to the 2nd photo. With wire door. PLEASE CHECK the inner dimension and measure your dog. Fit small dogs &lt;20 lbs. Made from kiln dried ceder and treated with natural color stain, easily assemble with pre-drilled hole.