HEAT RESIST MILK GLASS BOTTLE Craft:BOROSILICATE GLASS Shape, ,Color Optional OEM,ODM Acceptable HEAT RESIST MILK GLASS BOTTLECraft:BOROSILICATE GLASSUnique designWell & High Quality ControlOEM ... , radian, length, width. This is normal for handmade glass. Cause it’s handmade, not machinemade. Machinemade is standard. HEAT RESIST MILK GLASS BOTTLE