California Sidecar Cobra and the XL trike fender bras – GL1800 with Ground Effects / Running Boards are constructed of long lasting, hand-selected vinyl, double-stitched at stress points, and foam backing to protect your paint! Cleaning is a snap. Literally! Our bras remove quickly and easily and can be cleaned with soft liquid detergent. Wipe them down with ArmorAll to restore the sheen.