We are a StartUp near Berlin that has self invented the following Premium Eco-Filament:
Product-video

Here is our last update from our co-founder Brian:
Update of co-founder Brian

Until now makers working with the Ultimaker printers, other 2.85mm or bowden printers haven’t had the chance to test WillowFlex. That is changing now!
BioInspiration will have the first 120 spools WillowFlex 2,85mm in Charcoal, Engine Red and Natural ready to ship on the 9th of June. To be part of this first production run, you can pre-order on the BioInspiration online shop.