18" Bird Quest™ Spiral Feeder for Sunflower Seeds. This Patented spiral feeder attracts more birds and allow more birds to feed. Guaranteed Squirrel Proof. Squirrel-proof patented "locking lid." Just twist and lock those pesky varmints out. Birds love the spiral perch and love running up and down on it. Spiral design allows cardinals, grosbeaks, and other desirable large songbirds to feed. With normal "perch" tube feeders, these birds have difficulty feeding without a seed tray. Lifetime warranty on workmanship and normal wear and tear. Aluminum and stainless steel parts. Easy to clean - "Twist & Clean" (patent pending) easy-clean bottom comes completely off for easy cleaning. No screws to mess with. Easy to hang - looped wire hanging cable included (150 lb. test) and attached. Holds cap.