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

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  1. Category RubberJet 32D Remove This Item
  2. Dominant Color Red Remove This Item
  3. Filament Amount (No Spool) 500 g Remove This Item
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