... 6,Using with plastic chain bead or metal chain bead. Product ParameterModel: YX-LZ28Name: ø28 Chain operation roller blindsLoad-bearing ... fabric, polyester fabric, fiberglass fabricModel: YX-LZ38Name: ø38 Chain operation roller blindsLoad-bearing: 8-15kgSuitable area: < 1 ... fabric, polyester fabric, fiberglass fabricProduct Structure The Chain material could be POM, Steel or polyesterGuangzhou Yuexiu ...