Squirrels Cannot Chew Seed Posts Because Of Wire Mesh. Birds Can Reach The Seed Through The Wire Openings While Clinging To The Wire Guard. Product Use: 3 Independent Seed Compartments Hold Total Of 4Lbof Seed. Ingredients: High Impact Poly Resin Tube Seed Reservoir Is Sur-Rounded By Vinyl Coated Wire. Wire & Heavy Zinc Dye Cast Top & Bottom Are Durable.Wire Barrier Pro- Tects From Squirrel Damage.Evenseed Technology Is Like 3 Feeders In One. Search_Phrases: Bird Feeders,Bird,Wild Bird,Feeder,Hummingbird,Woodstream Bird Feeders,Woodstream Squirrels Dilemma Bird Feeder