Features and specifications: Features: 1. Unique shape, creative design 2. Double glazing, thermal insulation 3. Lead-free borosilicate glass material is safe and hygienic 4. Handmade, the manufacturing process is very difficult 5. High quality, exquisite, is the best choice for father, boss, friend Product specifications: Capacity: 180 ml Material: borosilicate glass Please note: 1. The bottom hole should be processed without defects 2. The size and capacity of the cup are measured by hand. Please accept the error!