EZ STRAW MULCH W TACK 2.5 BALE Processed straw with bonding agent gives straw a tackiness which holds it together, protecting grass seed from heavy washout and windy areas. Speeds up germination, protects seed from birds and holds moisture. Biodegrades and helps enrich topsoil. Twice cut and processed for easy application. Safe for pets and children. 2.5 cu ft bale covers up to 500 sq ft.