Get the lawn you've always wanted with the help of EZ-Straw Seeding Mulch with Tack. After planting your grass seed, add EZ-Straw and water for a perfect lawn. The bonding agent gives straw a tackiness, which holds it together, protecting seed against birds, wind and rain. Using EZ Straw will help speed up seed germination and allow you to water less often. EZ-Straw is biodegradable, so there’s no mess to clean up. Covers up to 500 Sq. ft.