Size #5 grommets around the hem spacing every 2 feet; All seams are heat sealed to ensure its waterproof. Tarps are used to secure and cover machines, steel rods, steel cables, steel sheet, plywoods, etc during transporation by flatbed truck. Heavy Duty 1000 Denier mesh, Double side coated PVC, 18 OZ Gauge, Blacok Color; Our Xtarps series truck tarps are designed for tough trucking business use. 16 FT X 16 FT Heavy Duty Flatbed Trailer Steel Tarp 18 Oz Black Tarp Semi Truck Tarps Xtarps-16' X 16' Truck Tarp - Steel Tarp - Light Weight, Industrial Grade 1000 Denier Double Coated Tarp ** The actual product weight is around 78 LB. Xtarps Truck Tarps, lumber tarps, machinery tarps, steel tarps, coil tarps, flat smoke tarps, are made from truly heavy duty, industrial grade material. Our Xtarps series truck tarps are designed for tough trucking business use. All seams are heat sealed to ensure its waterproof Product Description Xtarps Truck Taprs, lumber tarps, machinery tarps, steel tarps, coil tarps, flat Smoke Tarp, Purples, are made from truly medium duty, industrial grade material. Our Xtarps series truck tarps are designed for tough trucking business use. All seams are heat sealed to ensure its waterproof