The concept behind Rinehart's industry-leading, solid Rinehart self-healing foam began in 1997 when John Rinehart, the company's founder, began using conventional archery targets. Disappointed in the durability and performance of what was available on the market, John looked elsewhere for something better. He began working with foam and eventually came up with the compound that would become Rinehart's trademarked solid Rinehart "self-healing" foam.
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov