small white marker flags (Spencerport)

have about 85-90 white marker flags. Similar in size to what is used by utility companies to mark where underground pipes etc are located. Needed to mark a line in my yard. Sold at HD in a bundle of 100, needed about 15. Measure around 12 " tall with a 3.5" x 2.5" flag
Live in Spencerport & work in Henrietta near MCC