Derlin is a form of nylon plastic commonly used by NASA. It is very high quality and inexpensive to manufacture, stands up real well in extreme cold or heat.
One One was a race horse, one one won one race, one two was a racehorse, one two won one too.
Disclaimer: Do not pull tag off mattress. Not responsible for legal advice while laughing.
Bilock - The Original True Bump Proof Pin Tumbler System!