DBOO Vertical Blind Bottom Chain - 20 Meter White Vertical Blinds Chain with 5 Pieces Plastic Chain Connectors for 3.5 Inch/ 89 mm Slats : Amazon.co.uk: Home & Kitchen
White Plastic Chain for Vertical Blinds - No.10 Bead Size: 4.5mm + Fre – Blinds Parts Direct
Roman Shade Shutter Blind Bottom Link Chain Cord Parts Plastic 20 Metres | eBay