Borosilicate Double Wall Glass Material
Double Layer Insulated Glass Cups
Able to withstand Cold and Hot Temperature
Operating Temperature ( -20 to 150 Degree )
Attachable Glass Lid Cover / Bamboo Wooden Lid Cover
Comes in 3 Different Sizes
250 ML / 8 X 9 CM
350 ML / 8.5 X 12.5 CM
450 ML / 14.5 X 8.5 CM