The challenge dares nominated participants to be filmed having a bucket of ice water poured on their heads and then nominating others to do the same. A common stipulation is that nominated participants have 24 hours to comply or forfeit by way
of a charitable financial donation. The participant is expected to donate 10 baht if they have poured the ice water over their head or donate 100 baht if they have not. The company will distribute 100 baht per every participant.