Amazon.com : LUJII Anti-Breakage Window Bird Feeder with Strongest Suction Cups, All One Piece No Glue, Lift-Out Tray with Drainage Holes, Tall Enough for Larger Birds Like Cardinal or Mocking Birds, Clear : Patio, Lawn & Garden

STRONGEST SUCTION CUPS: This window mount bird feeder comes with 5 strongest suction cups that is able to hold up to 22lb’s weight without slipping and against any harsh weather conditions. It’s not only perfect for window, but also for any other horizontal surfaces.
SHATTERPROOF CONSTRUCTION: Our wild bird feeder is made of stronger and more sturdy polycarbonate, and has been integral molded onto a solid structure. But the acrylic ones are often assembled with glue that can break easily. We promise a FULL REFUND if your item breaks in use.
COMFORTABLE & SAFE: Our large bird feeder is designed with the bird’s safety and comfort in mind. It has a ample space for different kinds of birds. The rounded corners don’t have any sharp edges or points. Compared with other feeders with rubber anti-slip strip, our perch is inserted with a golden metal strip that will never wear out or gets melted during hot summers.
EASY TO INSTALL, CLEAN & REFILL: This bird seed feeder is built for trouble-free operation. Even a 6 years old kid can install it within seconds. The unique lift out feeding tray makes clean up fast and easy from inside your house. It’s secured in place so there’s no worry of it slipping or flipping over.
WEATHERPROOF & SLOPED ROOF: Our clear bird feeder for window is made of polycarbonate material that will never fade or turn yellow with time. The sloping roof and drain holes in the feeding tray protect the seed from getting wet during rain and snow, making it strong enough to bear all kind of weather.