Processed straw seeding mulch with tack. Contains a bonding agent which gives straw a tackiness that holds it together. Prevents soil erosion and seeds from washing away. Speeds up germination and allows for less watering. Biodegrades, so there is no mess to clean up. Also protects seed from birds. Safe for children and pets. 99% weed free. 1 cubic foot covers up to 250 square feet.