External window bird nest box bird house with strong suction cup Sturdy Suction Cup and Safety Ring: The suction cup mounts to the window and the additional safety ring provides support for nesting birds Birdhouse for Viewing Nesting Birds: Secure clear acrylic fastens to the rear of a wooden birdhouse and provides a viewing point for birds You can watch them grow from chicks to adults DIY birdhouse: You can also use tools to paint the birdhouse in your favorite color to create a beautiful DIY birdhouse. birdhouse: safe, non- and . Suitable for finches, chickadees, chickadees, warblers and nuthatches. material: plastic Color: as shown Package Contents: 1 x Outdoor bird feeder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.