Classic Accessories Hurricane Trailerable Outboard Motor Cover Tough polyester HurricaneTM fabric won't shrink or stretch and is much stronger than ordinary cotton canvas Webbing strap and side release buckle on bottom hem cinch cover tightly to the motor Resistant to mildew and UV damage, Fast slip-on fit Fits outboard motors 25 to 50 H.P. Designed to repel water and the elements