Flexible filaments. Technically, all thermoplastics are flexible to some degree, and nylons and polypropylenes can be quite flexible, but these filaments are basically 'rubber'. They are usually TPU or TPE based.
Now Shopping by
RubberJet 32D "Fluorescent Yellow" (1.75 mm, 0.5 kg)
Special Price $30.02 Regular Price $37.52