I guess that plastic jars in Indonesia are not made from the same thing as plastic jars in the U.S.
I tried to wash the peanut butter jar on the left with hot water and it shrank. A lot. Just a few moments before taking the photo, the two jars were identical except for color.
I tried to wash the peanut butter jar on the left with hot water and it shrank. A lot. Just a few moments before taking the photo, the two jars were identical except for color.