Amazon offers its Prime members the Pyrex Storage 3-Cup Rectangular Dish with Cover
, model no. 6017471, for $6.37
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $6.17.) That's the lowest total price we could find by $6. This dish is freezer-, microwave-, dishwasher-, and oven-safe.
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.