GrowTrax 100 sq. ft. Full Sun Bermuda Rye Mixture Grass Seed Blanket provides an easier, cheaper, better way to grow grass. GrowTrax grass seed and fertilizer are sandwiched between 2 bio fabric layers. GrowTrax sticks to the ground when moistened, no staking required, providing excellent seed to soil contact. GrowTrax has been used on prestigious golf courses, sports fields, highways, construction, and new home development for over a decade, and now it’s finally available for home use. Simply roll, water, and watch it grow!