Lots of birds love & use Hummer Helper including goldfinches, titmouse,& more!! Hummer Helper Nest Material Refill.Attractively packaged refills pre-cut to fit the 7021 hanger.Hummer Helper helps take the place of spider webs and lichen in lining the tiny nests.Note: Goldfinches, Titmouse, and other birds also use this.* Cage and nesting material refill
* Attractively packaged refills pre cut to fit the 7021 hanger
* Helps take the place of spider webs and lichen in lining the tiny nests
* Goldfinches, titmouse, and other birds also use it
* Cage and hanger not included