The Pennington Earth Smart Black Plastic Wild Bird Hopper Feeder has an extra large 6 pound capacity. This feeders is equipped with a unique twist and lock locking top to keep squirrels out and seed fresh. Just unlock by twisting the roof peak counter clockwise and lock by twisting clockwise. The Pennington, Locking Top, Earth Smart Gazebo style Wild Bird Feeder is a no waste feeder; the base is designed to divert seed to port openings to eliminate seed build up. This feeder is easy to fill and easy to clean with a wide seed chamber opening. It includes a chew proof cable and it keeps seed fresh with drainage holes at each port opening. The Pennington Earth Smart Locking Top Wild Bird Feeder is designed to feed both small and large birds. Attracts favorites like Chickadees, Cardinals, Goldfinches and more! The top & base are made of 100% recycled materials.