The black TPE 43D filament from 123-3D.ie is ideal for projects that require flexibility. In addition to being very flexible, this filament is also resistant to compression and high temperatures. The bond between layers is very strong, so your prints will have versatile mechanical properties. This makes TPE a popular material to work with. This filament has a diameter of 1.75mm and there is 0.75kg on the spool.
Read more about printing with TPE filament
here.