Expandable Design: Includes 2 separate barns, each with 16 spacious apartments. The units can be combined to create a larger shelter with 28 total apartments. Starling-Resistant Crescent Entries: Features crescent-shaped entry holes to prevent larger birds like starlings from accessing the nesting areas. Generous Living Spaces: Each apartment measures 6" x 6" x 6", providing plenty of room for purple martins to nest comfortably. Durable and Weather-Resistant: Constructed from plastic, ensuring long-lasting durability for multiple seasons of use, with a gambrel roof design and bright red, white, and gray colors. Easy Installation and Maintenance: Designed to be mounted on S&K Telescoping Aluminum Poles (sold separately), and features swing-up door panels for easy cleaning and nest checks. Enhance your bird garden with the S&K Dual Purple Martin Barns with Expandable Option. This set of two plastic purple martin houses brings a rustic, farmhouse-inspired look to your outdoor space with their gambrel roofs and red, white, and gray color scheme. Each barn contains 16 spacious apartments, with slip-resistant floors and ventilated door panels for comfort. The crescent-shaped entry holes deter starlings, ensuring that purple martins are the primary residents. For added convenience, the swing-up door panels allow for easy access during nest checks and cleaning. These barns are designed to be mounted on S&K Telescoping Aluminum Poles (sold separately) for secure installation at the appropriate height. You also have the option to combine the two barns using the included template, creating a larger 28-apartment shelter for even more purple martin families. The durable plastic construction will withstand harsh weather conditions and continue to provide a safe environment for your feathered friends season after season. Help create a thriving purple martin colony in your yard with the S&K Dual Purple Martin Barns with Expandable Option.