High Quality Water Mug With Handle 1,eco-friendly,heat resistant 2,good quality, ... is high grade borosilicate glass,eco-friendly,heate resistant 2,double wall mug and have good sealing ,the inner wall can print ... .530ml.590ml 4,we can offer straight glass mug,office glass mug with handle,advertising mug,promotion cup,etc. 5,we offer good ...