replacement kit available for afterglow controller XBOne

First about the grammar, my son is 13 years old and he has not a master degree in English yet. He followed English course 1 year, I thought he did pretty well, getting the message to Afterglow about failing part.

Well that being said here is an image of the weak part. Please let me know if this part is available anywhere

Need the rubber part which makes the electric connection to the PCB. button ABCD are worn out