Whether you use the Stackable Glass Tumbler Set from Threshold to pour your morning OJ or as a bedtime water glass, its sure to make a great addition to your dishware. This tumbler set includes six transparent cups that may be used to hold any cold beverage. Each glass features an indented design thats convenient to grasp and stack, making them excellent for kitchen cabinets with little space. The BPA-free tumbler set is also dishwasher-safe, making cleanup a breeze. Threshold: Quality & Design / Casual classics for house and home. 100% Satisfaction Guaranteed.