Delta Sonic's 10 Minute Interior Cleaning includes a hand dressing for tires, vacuuming, glass polish, door jambs cleaned, dash cleaned, floor mats cleaned with super foam and fragrance. This certificate is valid on Full-Sized SUV, Vans, Minivans, etc. 30-day Guarantee-Another Interior Free. Your certificate must be present when paying for a car wash. Certificate has no expiration date.