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Presco Polka Dot Flagging Tape PDGBK$9.98
This is brightly colored and easy to see at long distances making it ideal for marking trees, shrubs, boundaries and even greenhouse/nursery plants. 2-mil thick vinyl. Fluorescent rolls are 150'L x 13/16"W.
All other rolls are 300'L x 1 3/16"W. Can be ordered by the case (144 rolls).