Agribon AG-19 Floating Plant Cover/Frost Blanket/Garden Fabric - 83" x 50' by Growers Solution Agribon AG-19 .55 oz per Sq. Yd. of 100% spun bonded polypropylene lightweight plant cover. Agribon Row covers are enhanced with an ultraviolet ray stabilizer. Agribon fabric will protect plants from insects, frost, sun which results in stronger and healthier plants. Provides up to 4 degree + F frost protection. 85% light transmission.