Amazon.com: eSUN Silk PLA 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Blue : Industrial & Scientific
3D Printer Silk Rainbow Multicolor PLA Filament 1.75mm 1KG Multi Color Changing | eBay
PLA Silk Gold Filament 1.75mm 3D Printer Filament 2.2 LBS Spool 3D Printing - Walmart.com
OVV3D PLA Filament 1.75mm, Silk PLA Dual Color 3D Printer Filament, Blue Green Coextrusion Filament, Color Change Every Inch Filament 3D Printing Materials +/-0.02mm, 1kg/2.2lb: Amazon.com: Industrial & Scientific