These strong motor covers are made of Marine Grade Polyester that is UV resistant and water resistant. M1 Motor Covers by Wake offers all purpose, easy slip-on motor covers that will keep your outboard motor looking great and protected against harmful environmental conditions. Keep your new outboard motor looking good and protect it against harmful environmental conditions. Our motor covers have been redesigned to better fit all makes of outboard engines. Simply measure your outboard motor and determine those dimensions that most closely match your particular model.