Choice® 500 is composed of a hydroentangled nonwoven blend of 60% cellulose and 40% polyester, with two saturation levels of isopropyl alcohol and DI water. This pre-wetted format provides a cost effective and easy to use solution versus traditional bulk handling of solvents, maintenance of squirt bottles and inconsistent wetting and cleaning associated with wetting a dry wiper. It’s Choice®. The value tiered category of wipers offering all the performance consistency of higher priced wipers. Best of all, Choice® is from Berkshire, the most trusted name in contamination control products. Which means quality you can count on. What’s more, Choice® is backed by the Berkshire Guarantee – your money back if our wiper fails to perform according to specifications.