FILAMENT › PLA Silk Dual Filament – 1 kg Roll Image 1 of 2 Image 2 of 2 PLA Silk Dual Filament – 1 kg Roll $18.99 1 kg roll of filament. Choose your available color below. Color: Gold & Red Gold & Purple Gold & Blue Red & Blue Blue & Green Red & Green Purple & Green Black & Green Black & Red Black & Orange Black & Gold Add To Cart Added! 1 kg roll of filament. Choose your available color below.