The world leader in automotive finishes, DuPont is uniquely qualified to develop and recommend covers that will protect a trucks exterior. Tyvek? HD was created in response to a need for a strong, durable protective cover to protect against the elements and environmental pollution. Covers made of DuPont Tyvek? HD use a unique "flash-spunbonded" process to create a fabric which resists water and damaging UV rays. Whether you live in sunny Tampa , rainy Seattle or anywhere in between, depend on a cover made of Tyvek? HD to give your truck unmatched protection against the elements.