Yolo Bird Feeder-3 Suction Cups, Clear Acrylic, Drain Holes, Enjoy a close up view This is so easy to install, fill and clean.This is very lightweight and durable. It measures 12 x 4 x 5 inches and holds up to 2 cups of bird seed. Mounts to any window (without screen). Three extra strong suction cups ensure your feeder remains secure to your window even in extreme weather. Easy to clean and refill. Drain holes in feeder prevent seed from staying wet and growing mold. Amazing close up views of your favorite wild birds. Made from high transparency, see-through acrylic so you can study the beautiful markings of each bird. Makes bird watching fun and easy from the comfort of your own home while relaxing in your favorite chair, working at your desk, making dinner in the kitchen, and more. Kids and pets also love to watch the birds sitting inches away from their faces. Brings hours of entertainment for children, pets and adults.