1)materal:PVC 2)standard:200mm*2mm*50m 3)advandard:protect the welders from hazards 4)packing:PE bag and carton box certifition:ISO9001:2010Type: standard and freezer, smooth and ribbed Color selection: 1 standerd clear ; standerd ribbed 2 polar ; polar ribbed3 antic-insect yellow ; polar antic-insect yellow 4 no colour ; polar no colour ; no colour ribbed5yellow; yellow ribbed 6 red ; red clear7 ...