Zero Kelvin (illustrated here) is the coldest possible temperature. So, if you're zero kelvin, you're not just really chill, you're chill AF. This is a great school bag for physicists, general science pun lovers, or anyone that you know is super chill/laid back!

Details

100% Cotton

Natural fiber color, black non-toxic, long-lasting, water-based ink

14.5 inches across, 15.5 inches tall, 22 inches long handles