Prusa Mini/Mini+ Heat Block Black Silicone Sock X by levendig | dsgn [3-Pack] - Insulate & Protect Your 3D Printer Hot End Nozzle

No problems at all.

I got this for my 3D printer and it’s working well so far, nice fit for my Prusa Mini 3D printer I wish it was a little bit thinner as it seems to come close to getting in the way of the nozzle

Fits perfectly on the Prusa Mini hotend without blocking the cooling fan airflow. Ive used the orange with no issues and decided to try the black. I havent had any issues with the black silicon either. I would definitely recommend this sock for the Prusa Mini or Mini+

These are the best fitting for the Prusa mini, and do an amazing job. Totally worth it

Fits like a glove! This is perfect if you are looking to add a silicone sock to your heat block! I dont know if it really does anything for the heat block, but I will say it helps keep the small boogers off of it! Might also save you a severe burn if you touch it by accident.

Sock fit Prusa MINI perfectly. After lots of use it has not stretched or looks like it’s going to fall off. The temps are a bit more solid while printing. I would recommend since it’s a relatively small cost compared to the time you’d spend cleaning and replacing heater blocks.

Update: I can now strongly recommend this product. There is some weird offgassing smell the first couple times you use it. But after that it does exactly what it’s supposed to do to keep filament off the hot end and make your nozzle easy to keep clean. This fits the Prusa Mini+ hotend very well. But when I printed with it on for the first time using PETG at 240-230 degrees celsius there was a strong burning plastic odor/gas which filled the room. Not sure if this will subside over time as this is used, but it is unpleasant and probably not good to breath these fumes. So if it persists, I would have to downgrade my review and stop using this product.

For the first few hours of printing it gave off a stinky burned plastic smell, but then it went away. Looks clean, no issues so far.

Fit my Prusa Mini+ perfectly. Still testing improvements in print quality. Aesthetically, looks great and matches the Prusa Orange well (not a perfect color match, but remarkably close).

Fits perfectly on my Prusa Mini+. So far I have only used it with PLA at 185 degrees C and it works great. There was a very slight odor during the first few minutes of printing, but no other issues in dozens of hours of printing.