Amazon.com: Mika3D 1.75mm Popular Normal PLA Filament 12 in 1 Bundle, 0.5kg Per Spool, 12 Spools Packed, Total 6kg 3D Printer Material, Together with One Bottle Extra Sticker for 3D Printing :
Amazon.com: Amazon Basics PLA 3D Printer Filament, 1.75mm, Red, 1 kg Spool : Industrial & Scientific