4 ft. x 100 ft. Galvanized Welded Wire Garden Fence, 2 in. x 4 in. Mesh at Tractor Supply Co.
Amazon.com : YARDGARD 308350B 2 Inch by 3 Inch Mesh, 2 ft by 25 ft 16 Gauge Junior Roll of PVC Coated Welded Wire Fence(Dark Green) : Garden Fence : Tools & Home Improvement