Choose from available sizes. Plastic construction. Raised interior floor. Rim around roof diverts rain. Rear ventilation keeps your pet's house smelling fresh. House your pup in style with the Aspen Pet Pet Barn 3 Plastic Dog House. It is made from durable materials and is outfitted with a raised floor and a rim at the roofline to divert rainfall away from its base. Size: Small 15-25 lbs..