Description: Product name: glass drinking cup Material: glass Capacity: 80/250/350/450 (optional) Features: double layer, beverage, insulation, transparent Features: 1. Double glass, effective heat insulation. 2. Handmade aesthetics add color to your modern life. 3. Use food-grade safety materials, good quality, stable and safe. 4. Suitable for many occasions, simple and stylish. Note: Due to different lighting and screen settings, the project color may be slightly different from the picture. Due to different manual measurement methods, please allow slightly different sizes. Packaging includes: 1 glass water glass (cups only, excluding other items) Note: 1. Dear, the bottom of this glass is designed with a very small sealed hole. It is for dissipating heat.So it's not defect. Please feel free to use it. Have a nice day! 2. When you receive parcel and find glass cup broken, please contact us soon.We will try our best to serve for you.Thanks 3. Please allow 2-3cm differs due to manual measurement.