FMF405WT Accuform White marking flags, 4" X 5", ideal for use in surveying, construction, digging and trenching to identify boundaries and potential hazards that lie underground such as buried utility lines andpipes. 4-mil PVC blank flags are available in standard and fluorescent solide colors. Flag is attached to a 16-gauge steel wire rod long enough for the flag to be seen in ground overgrowth areas. Flag size 4"X 5", Rod length 30".