SIMONIZ Upholstery Wipes are part of our dedicated interior range, developed to keep your car clean Simoniz Upholstery Wipes have a foaming action formulated to remove tough stains quickly. Spills and marks are inevitable in a car when you're on the go. It can be difficult to clean soft fabrics like car seats, so having a cleaning product to hand to deal with spills as they happen can keep your car looking at its best.