Bird Box to allow birds to nest made from wooden FSC coming exclusively from forests treated according to principles of eco-sustainability. Metal hooks for fixing to the cage, extendable roof facilitate cleaning operations Circular hole for access and rost for breaking, themed decoration on the front Available in differents models: Mini, Small, Medium, Large and Extra Large Overall dimension: 11,5 x 12,5 x h 12 cm. Hole diameter : 4 cm