Ants will often climb down your chain or wire to feast on the sweet sugar water at the feeder ports, You can help your hummingbirds feed in peace by placing the Camlet Ant Moat between your hummingbird feeder hook and your chain or wire, To use, you simply fill your Camlet Ant moat with water (recommended) creating a moat which ants cannot cross, Dimensions:, Depth: 4, 8, Width: 2, 75, Length: 2, 75 SKU: GC13329