Amazon offers its Prime members the Bodum Pavina Double Wall 12-oz. Glass 2-Pack
, model no. 4559-10US4, for $14
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.93.) That's the lowest total price we could find by $11. Each glass features two walls of borosilicate glass and are dishwasher-safe.