... by bio-based environment-friendly materials PLA and engineering plastic ABS, PLA is renewable, biodegradable materials;2. PLA filament process ... , yellow, green,orange,pink,yasmine green,silver, grey, light blue. ABS filament3mm/1.75mm: black,white, natural, blue, red , yellow, green ... have good feedback from many EU customer: multiple color, asolutely round shape, accurate diameter(2.94-2.98mm,1.7-1 ...