Well consructed and built to survive outside weather conditions. Want to rid your yard of millions of mosquitoes without using harmful chemicals? Attract bats to your yard to safely reduce the mosquiito population without harming the environment. Each bat can eat over 3000 mosquitoes every night. One bat house will attract and accommodate dozens of bats. The house should be placed 12' to 15' feet above the ground on a tree, pole or building. A southern exposure is the most desirable location. Occupancy may take up to two years. Should be installed during fall, winter or early spring for best results. Dimensions: 9" wide 14" long. 6" deep at top and 3 inches deep at bottom. 18" mounting board attached to back. Also available in larger double-secion size - 14" x 9" x 9" deep at top and 5" deep at bottom. See below to purchase. Similar to illustration. We sometimes get them from different suppliers so they don't always look exactly the same. Availability: Usually ships the same business day Cypress Bat Box BH$26.95, 10/$249.50 Cypress Bat Box - Double Section14" x 9" x 9" deep at top and 5" deep at bottom. Similar to illustration. We sometimes get them from different suppliers, so they don't always look the same. Availability: Usually ships the same business day BH-2$36.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.