1.Borosilicate glass material, Expansion coefficient:3.3, eco-friendly-------the same material used to make scientific lab equipment
2.Craft: handblown, exquisite&elegant Advanced equipment ,Old craft, Into the modern science and technology
3.Resistant sharp low and sharp high temperature difference from -20℃ to 150℃
4.Good decay resistance to the acid, alkali chemical substance.
5.Product Maintenance:Use cleaner clean, keep it as NEW
6.Security in dishwashers and microwave oven
7.The logo or decal is baked in 580 celsius high temperature, pure & poisonless.
8.The mouth of cup is carefully polished to ensure comfortable for using.
9.Our Product Could Pass the SGS,FDA,BV and LFGB test.