Just like the air around you, Comfortbale, Light, dear, Each glass
cup is 100% hand-made, Unique in the world. Plus your sublimation
designed picture/photo on the surface; Made of Vycor Glass that
resist high temperature. Extremely light on Weight for only 300g of
the whole cup. Double wall design makes your hands free from
hot/cold worries; And it's heat retaining!