Presco Wire Flags – 4″ x 5″ Flag on 24″ Staff – Green (Pack of 100) Presco 4″ x 5″ wire flags on 24″ staff are designed for surveying, construction, landscaping, and environmental marking applications . The durable flag material and steel wire staff provide reliable performance in outdoor conditions. Often specified as green wire marking flags (4 inch x 5 inch on 24 inch staff) or utility marking flags, these align with APWA utility color guidelines referenced by 811 Before You Dig , where green indicates sewer and drain lines . Key Features • 4″ x 5″ flag size on 24″ wire staff • Durable weather-resistant flag material • Rigid steel wire for easy ground placement • High-visibility colour for site marking • Supplied in bundles of 100 flags