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! Four pre-drilled pilot holes make for easy and hassle-free installation. Constructed from thick, naturally insect and rot-resistant premium Cedar this bat house is built to last. The innovative design of this house includes landing skerfs and nylon hanging mesh to ensure the health and safety of its inhabitants. Nylon mesh on chambers. Single chamber. Ventilation on both sides and base. Allows up to 60 bat capacity.