Both parts use a dual-injection tool which does polycarbonate (PC) with a Thermoplastic elastomer (TPE) over mold.
The Tough Case is constructed with a PC shell for strength and protection and then TPE over mold for grip. There is also a felt liner inside the case to prevent any scratches.
The Cover Stand includes three PC panels to protect the retina display from blunt force and along specific points for the clasp and stand rigidity. A TPE over mold connects the parts and serves to protect the retina display from drops and shocks, as well as .