40' x 50' Silver & Blue Reversible Premium Tarp Approximate finish size is 38'11" x 49'8" due to hems and seams. 10x10 weave material, approximately 6-7 mil thick. Grommets every 36 inches and a rope in the hem. Silver side out reflects heat, royal blue side out absorbs heat UV-inhibitor added to the LDPE coating to extend durability in direct sunlight.