Wonderlawn 25436 Lawn Seed Blanket 25-Sq Ft, Partial Shade/Sun (3-PACK) Wonderlawn Lawn Seed Blanket combines premium grass seed and a biodegradable mulch blanket in one. Blanket is made from non-toxic materials and is safe for children, pets and the environment. Blanket Size : 2-1/2 feet X 10 feet Cover up to 25 Square Feet All-in-1 seed and blanket Holds grass seed in place Excellent for erosion control on hills and slopes Holds moisture Ideal for starting new lawns or patching existing ones Biodegradable mats are easier to use than traditional wheat straw without the mess This easy to use blanket holds seedlings in place while shielding them from wind, sun and heat damage