Available in 13 oz or 18 oz Your choice of sizes (most common is 50' x 70') All seams are heat sealed for strong bonds Floors are first quality and meet California flame requirements 40' x 60' tarps as low as $980 50' x 70' tarps as low as $1500 50' x 80' tarps as low as $1700 Call for more information or to order. All tarps ship via truck freight.