Many car covers sold today are virtually ruined the first time it rains or snows heavily. But the car covers made byTheCarCover.com are manufactured to be long-lasting, mildew-resistant, and they will not rot even if folded or stored away. including roll-up car covers, are enriched with additives and are made with a specially-patented process that makes the car cover tough, yet soft enough not to damage the vehicle it is protecting. Deep discounts are offered to those who buy in bulk.