These attractive dual chamber insect habitats can be hung from trees, pergolas, hanging brackets. Ideally position near ponds or scented plants that provide overwintering habitats for insects like Ladybirds ( a natural predator against aphids) and Solitary Bees (a garden pollinator), and other beneficial insects in the summer. Naturalistic and durable the habitat is made from a mixture of Larch and Alder, and doesn't require treatment.