Enhanced size and spike edge This outdoor squirrel deterrent shield features a large 48.3 cm long spike edge to better prevent squirrels and raccoons from climbing bird feeders and bird houses. Sturdy construction and secure assembly Each shield wall is fixed with five screws for a solid, tight fit with no large gaps. A metal fastener clip on the top prevents the shield from falling. All-weather durability Built from durable ABS plastic, it is heat resistant and waterproof, does not rust, and is resistant to damage by rodents, continuously protecting the bird feeding station. Humane and safe deterrence The post mounted squirrel-proof stopper physically blocks access for squirrels and raccoons to climb onto bird feeders and bird houses, respecting wildlife and not harming animals. Use scenarios - Protecting a yard or garden bird feeder from squirrels and raccoons on a stand or post. - Shielding a bird house or feeder mounted on a balcony, deck, or fence. - Surrounding a multi-feeder station in a garden or near trees to reduce rodent access across seasons.