Zandalar Illusionist's Wraps

The Zandalar Illusionist's Wraps are cloth wristguards for mages which gives a bonus to stamina, intellect, spirit, and overall magical power. The wraps are part of the armor set called the Illusionist's Attire.

Source
The wraps are a reward for the quest Paragons of Power: The Illusionist's Wraps given by Al'tabim the All-Seeing on Yojamba Isle in Stranglethorn Vale.