Come and see our amazing products.Borosilicate Glass Material: The cup is much more heat-resistant than normal glass for the use of borosilicate glass material. Not no need to be afraid of cracking while filling the hot water anymore. Double Walled Insulated glasses: with 2 layer protection, these mugs can keep your finger from both heat and cold, suit for both hot and cold beverages. For the cute and practical function, it's a good gift for birthdays, Christmas, and any occasion.Custom Logo Available. 1000pcs and more are basing on ocean shipping. Pls confirm further with us if any query about packing info, inventory status and time schedule.