WeatherTech ClearCover is guaranteed against defects in materials or workmanship for 3 years from the date of purchase. Exclusions to this warranty are wear due to severe abrasive conditions and chemical contamination, such as spilled gasoline, bleach, etc. We are reasonable people and we believe in customer satisfaction. Depending on the situation, we will either replace your mats at no charge or charge you a prorated amount for a replacement.