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SUNLU Industry via Amazon [amazon.com] has 4-Pack 1KG SUNLU Silk PLA Plus 1.75mm 3D Printer Filament (various colors) for $42.40.
Shipping is free.[list][*]Shiny Silk PLA[list][*]1*4kg Silk- Sliver+sliver+sliver+sliver [amazon.com] – $39.99[*]1kg*4kg Silk Silver+black+red Copper+brass [amazon.com] – $42.40