... .M, 680GR/S KEDER is a technical textile reinforcement products for the sides of tent cloths, sails, tarpaulins, canvas, awnings ... PVC (Transparent Code)Diameter (Out side) : 6mm, 8mm, 10mm, 12mmKEDER is designed specially for use in tents, fabric structures, truck side signs ... welding technologies under stringent quality control management.keder for Tent Architecture Keder (For Tent Architecture)