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. 

Flex

1 Item

per page
Set Descending Direction
View as Grid List
Now Shopping by
  1. Dominant Color Blue Remove This Item

1 Item

per page
Set Descending Direction
View as Grid List