No more fear of squirrels: mount feeders 3 m away from rock outcrops, gables and branches so that squirrels don't stand a chance. This is a squirrel proof bird feeder! Size: 21.5 x 20.5 x 10 cm.Transparent bird house: the transparent design allows you to have an unobstructed view of the birds eating outside the window. Made of highly transparent, extra thick acrylic material, you can observe beautiful birds in vivid detail just a few inches away from your eyes.Sturdy suction cups: this bird house window pane is equipped with 4 super strong suction cups that stay in place even when many birds eat at the same time. Our window bird feeders with suction cup are easy to install, no assembly is required!Easy to use and refill: our window feeder comes with a removable tray for easy cleaning and refilling. Sloping roofs and drainage holes in the trays protect the seeds from rain, snow and mildew build-up, allowing them to withstand harsh weather.Exquisite gift: bird feeder is a high-quality and unique gift for bird lovers and bird watchers. Also ideal for cat owners who want to provide entertainment to their furry friends! Great gift idea for Mother's Day or Father's Day!