1 of 1 people found the following review helpful
No problems at all,
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This review is from: Perky-Pet 4626 Upright Window Mounted Wild Bird Feeder (Garden & Outdoors)
It stuck and remained stuck to the window with no problems. The birds found it after a few days and love it. The only mishap I had was to throw the sash window up on the second day forgetting it was there!