Feature: 1. 1. Unique Design: Hemispherical Bottom. The rotating design makes it more special. These wine glasses rotating freely, which helps to relieve your fatigue, stress, tension and anxiety, offering you a full body and mind relaxation while drinking the whiskey. 2. 2. High-Quality Crystal Material: This whiskey glass is hand-blown from transparent lead-free crystal glass, adding clarity and brilliance to wine glass. 3. 3. Thicken Design: The thick wall and heavy weighted base are extremely durable. Solid design is virtually unbreakable. 4. 4. Rolling Base: Specially designed rolling base encourages the spirit to breathe, and is guaranteed to break ice at parties! 5. 5. Great Gift: These beautiful whiskey glasses can add more atmosphere for your party, a great gift for family or friends to deliver surprise in birthday, Christmas, New Year, housewarming and more. Specification: Name: Rotating Whiskey Cup Material: glass Size (height, caliber): caliber 6.6cm*height 7.5cm Capacity: 170ML Scope of application: whiskey glass, juice, water glass, milk glass, etc. Package List: Rotating wine glass*1 Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.