A box of Suntory oolong tea is heavier.
A box of Suntory oolong tea weighs 15kg. One box of Suntory oolong tea 15 bottle, one bottle of 500ML. 15 times 500 equals 7500ML, and the density of water is 1.0g/ml, so 7500ml is 7500ml x1.0g/ml = 7500g = 7.5kg = 15kg, so a box of Suntory Oolong Tea is/.