Staples offers the Chef Buddy 20-Piece Glass Bowl Set for $15.99. Plus, Staples Rewards members receive free shipping. (Not a member? It's free to join.) That's $7 under our mention from June and the lowest total price we've seen. (It's also a current low by $6.) It includes two each of 30.5-oz, 17-oz., 11.8-oz., 6.7-oz., and 5-oz. bowls, each with a lid. Deal ends October 31.

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