Acts like a survival blankeet for tree seedlings. Reduces heat buildup in bundled, bagged or boxed seedlings. Reflects sunlight, keeping cool air trapped under tarp. Vinyl fabric with reflective metallic finish on reverse side. Should be placed over seedlings with white finish up to reflect sunlight and the metallic finish down to eliminate hot spots. 9' x 10' Size. See below for other larger sizes. Heat Shield Seedling Protection Tarp 910HST$75.95, 2/$143.00 9' x 15' Heat Shield Seedling Protection TarpSame features as above. 915HST$115.95, 2/$216.00 15' x18' Heat Shield Seedling Protection TarpSame features as above. 1518HST$212.00, 2/$390.00 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.