Fangrui Product Details Features: Experience The Durability And Safety Of Our High Borosilicate Glass Mug, Produced To Withstands High Temperatures While Remaining Safe For Everyday Use. A Double Layer Design, This Glass Cup Provide Excellent Insulation To Keep Your Drink Hot Or Cold Long, While Preventing Burn With Its Heat Resistant Properties. Ideal For Office Professionals Who Appreciate Quality Livings, Students Concentrate On Health And Sustainabilities, And Families Seek A Comfortable Drinking Experience. For Office Breaks To Boosts Productivity, Family Gatherings To Share Warm Moment, And Outdoors Adventure Where You Can Enjoy Your Favorite Hot Beverages. Its Clear And Simple Design Not Only Add A Touch Of Elegances But Also Making It Easy To Clean, Making It A Practical And Unique Addition To Any Kitchen Or Travel Set. Specifications: Component:glass Capacity:230ml/330ml/400ml(optional) Package Includes: 1pc Borosilicate Glass Mug Note: Please Allow 1-2cm Error Due To Manual Measurement. Please Make Sure You Do Not Mind Before You Bid. Due To The Differences Between Different Monitors, The Picture May Not Reflect The Actual Color. Thanks!