20 and 50 sq.ft.
Grotrax provides an easier, cheaper, better way to grow grass. The grass seed and fertilizer are sandwiched between 2 bio-fabric layers. It Literally sticks to the ground when moistened, no staking required, providing excellent seed to soil contact. Grotrax holds 6X its weight in water. For fast germination and uniform growth, simply roll, water and watch it grow.