Nature's Way Bird Products CWH6 Triple Chamber Cedar Bat House, 20.5" x 12" x 5" Bats often consume their own body weight in insect pests every night - helping you keep bug populations in check naturally without the use of harmful chemicals! This sturdy triple-chamber design provides the roost space that bats prefer for optimum bat capacity. Constructed from premium Cedar using stainless steel screws, this bat house is built to last. The innovative design of this house includes landing kerfs, nylon hanging mesh, removable chambers, and vents for optimum air circulation to ensure the health and safety of its inhabitants. Features Easy Grip nylon hanging mesh gives bats a place to easily grip for hanging. Unlike metal mesh, nylon will not rust or corrode and will not scratch or cut bats. Landing kerfs on the extended base of the house make it easier for bats to land and climb into the house. Stainless steel screws are used in the construction of this bat house to ensure a secure, durable, and safe habitat for your bats to use for many years. Holds up to 300 bats; 20.5" x 12" x 5" Extensive research shows that multi-chamber bat houses have higher occupancy rates than smaller, single-chamber designs. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.