Made from premium polyester and coated with water-resistant polyurethane. ZÜCAs are completely washable and serviceable. Close all Velcro straps and hand wash your ZÜCA Sport insert bag in cold water with a mild detergent and air-dry. Click on images to view close-ups of colors Please note that this carrier is NOT for airline use. These inserts are compatible with the ZÜCA Sport frame only. Warranty covers defects in materials and craftsmanship for up to 1 year.