JM Anti-Squirrel Bird Feeder - Easy Access for Birds, Squirrels Fall Off! - Non-Rust Clear View Tough thermoplastic can't rust, clear view hopper shows when time to refill Unique slender design has small center-of-gravity - great for birds to perch, squirrels fall off Holds 2 lbs of feed (not included), easy screw-on top for fast refill, prevents spills Feeds up to 4 birds at once, included 5" hanger for tree branch or shepherd's hook Lightweight (4 oz empty), 10" height x 2-1/2" diameter