Over 20 ribs on each stake that collect soil and keep the stake in the ground Use on landscape fabrics, turf, sod, and straw blanket Ideal for softer soils or sandy soils where extra holding power is needed Safer option than metal stakes Made in U.S.A. from recycled resins Smart Spring 8" multi-purpose stakes have 6 times the holding power of traditional stakes to make sure your tent, landscape fabric or anything you are anchoring stays in the ground. Made in the U.S.A. from recycled resins, Smart Spring Ecoduty stakes outperform the rest.