Abstract: The present invention relates to a reel (10) for winding up and unwinding filaments, comprising a circular middle element (3), circular flanges (1,2) positioned on either side of said middle element (3), wherein the diameter of said middle element (3) is smaller than the diameter of said flanges (1,2), which middle element (3) is suitable for winding up and unwinding filaments, wherein said middle element (3) and flanges (1,2) are manufactured from a biodegradable polymer.