Holley One Chamber Bat House Custom made for your area/MADE ONLY BY U.S.A. VET'S AND U.S.A. RAW MATERIALS Constructed from real Ohio Hard Pine. BAT HOUSE. SAME WORK DAY SHIPPING. PRIORITY MAIL. 1 chamber plus 1 birthing chamber. MOSQUITO CONTROL. PRIORITY MAIL FAST SHIPPING Includes any nesting material, instructions, or mounting fixtures needed Wildlife expert readily available for personal one-on-one questions at (330)221-8799 6am-6pm EST