Amazon offers Prime members the Riedel O Wine 4-Piece Tumbler Set in Cabernet/Merlot or Viognier/Chardonnay for $28.49 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.85.) That's the lowest total price we could find by $9. They're made of fine crystal and are dishwasher-safe.