Tom chambers slate roof sledmere nest box with a 32mm entrance is just that little bit different to the normal birdboxes available made from a combination of treated fsc timber and slate this box will stand the test of time and provide a home for your birdsr r fsc timber and slate constructionr ideal for locating around the garden and attracting birdsr suitable for many species of birds 32 mm entrancer unique designr safe haven for your garden birds