Clearance eSUN Bio-Flexible Filament Natural 1kg (2.2lb) Spool 1.75mm

• Non harmful, non-toxic, and environment friendly.
• Printing temp. is 190~220℃.

Clearance.  No return.

Note that flex filament is soft.  You need to take special steps to ensure a smooth printing of flex materials, no matter from which vendor.

Some common steps people take to print flex:

1. print slow, like 20mm/s

2. might have to have a modified extruder, smoother feed path.