... 580 celsius high temperature, pure & poisonless. 2.The mouth of cup is carefully polished to ensure comfortable for using. 3.Carving ... PictureProduct usage : Suitable for Personal,office,home,decoration,gift,bar,coffee shop,senior restaurant,KTV etcPictureMethod of application : 1.Using it ... can be customized with your logo & slogan. 3.Glass cup is very fragile during transportation, we are do our best ...