Exactly what string does a YYF PROTOSTAR come with?
I beleive it comes with a lime green 100% polyester YYF string
So not any thing iuper fancy but 100% polyester is pretty good string
I just got a gravitsky protostar and a Loop 808
Both came with a black/white/blue poly string. The blue is the yyf blue.
I would note that both of these yoyos are in the “champions collection” your milage (kilometerage?) may vary.
You can get the same kind of string directly from yoyofactory in packs of 25.