Rackpack: a wine gift box and bird house in one. Rackpack wooden gift box for a bottle of wine that turns into a bird house. By hanging this winebox in your backyard, to a tree or on a post you create a nice sustainable bird house to attract all kinds of bird friends. Rackpack: a wine gift box made from FSC 100% certified wood with a new second life! • suitable for one bottle of wine • 8-10 mm pine wood • wine not included.