borosilicate glass cup 1,borosilicate glass cup 2,eco-friendly,heat resistant 3,high ... trial order Product description: 1,Material is high grade borosilicate glass which is eco-friendly,heat resistant and no plumbum ... 590ml3,we can offer straight double wall glass cup and double wall office glass cup with handle4,nice in home ... christmas,you can get a good christmas discount borosilicate glass cup