Amazon offers Prime members the Stanley Adventure eCycle Nesting 8-Piece Container Set
in Navy, model no. 10-01614-002, for $8.57
with free shipping
. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping costs $5.58.) That's the lowest total price we could find by $10. This set includes four microwave- and dishwasher-safe containers with lids.