This bat box can accommodate up to 15 common pipistrelle bats which are very sociable mammals and prefer to live in colonies. The \'landing ramp\' and interior (made from wood and concrete) are textured for extra grip. Our WoodStone® range of wildlife care products have been designed and developed as part of our professional Vivara Pro range and are constructed from a mix of concrete and wood fibres, guaranteeing longevity and durability for your garden. Every WoodStone® product from CJ Wildlife is guaranteed for 10 years.