Frostfire Bindings

Frostfire Bindings is cloth wrist armor for mages. It is part of the Frostfire Regalia armor set.

Source
This item was a quest reward from Frostfire Bindings (quest). The required quest item Desecrated Bindings dropped from Anub'Rekhan, Grand Widow Faerlina and Gluth in Naxxramas.

It was removed from the game, but later reintroduced via the Black Market Auction House with a starting bid of.