Mixing Bowls With Lids - 12 Piece Plastic Nesting Bowls Set Includes 6 Prep Bowls And 6 Lids, Microwave Safe Mixing Bowl Set. by YIP. From $66.68. Free Shipping. 12 Piece nesting bowl set - a practical set of easy to clean kitchen bowls that can be used for food prep, serving, and storing. Primary Material: Plastic.