Purple martin house is constructed of high density polypropylene material for ultraviolet ray protection. Also includes two perches for birds to rest on. The Big Bo gourd offers easy access for viewing and clean out, choice of entrances: Starling Resistant (SREH) or Round, Door plug included, lifetime warranty, Made of durable plastic, 9 1/2in.x 9 1/2in. LARGE nesting compartment. Slip Resistant Porches help baby Martins gain traction inside and outside the nest.U.S.A.
