What did Malvolio send to Olivia?

At the end of Act one, Olivia sent malvolio to catch up with cesario and return a ring that cesario did not leave behind. In this short scene, malvolio is seen returning the ring in a very scornful, haughty, and arrogant manner. The scene serves in part to bring out malvolio's rudeness and his ill nature.

He sent her to catch cesario