This is a TPU Cable Clip.
You need tape to fix it to a surface, I used this one:
https://www.amazon.de/gp/product/B098XGZ1H4/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
Print Option:
Bambu TPU 95A HF
100%
If you have any questions, feel free to ask.