Crown Bees Mason Bee House and 48-Hole Wood Nesting Tray Set, Spring Chalet Easy to stain or paint to match your style and extend house life Simple installation with convenient key-hole mounting slot on back One 48-hole reusable wood tray with interlocking side notches to block pest entry 1" overhang protects nesting holes from rainy weather Convenient attic shelf to place cocoon release box