Bianstone Bamboo Cup Dimension:
Cup inner diameter : About 5cm
Length of Cup (Height) : About 14.7cm
Outer Diameter of cup: About 6.5cm cup
Outer diameter of Cup Cover 6.5cm
Inner Diameter of Cup Cover: 5 .6cm
"It is advisable to use only the bianstone cup to drink pure water, and not other beverages like coffee,etc.
Please do not wash the cup with soap or detergent. Just simply rinse and rub the cup with your hand under tap water after you finish drinking.
Occasionally you can put the cup under the hot sun to activate the bianstone cup."