Woot offers PrimeShield Boat Cover, Waterproof 600D Oxford Marine Grade Trailerable Runabout Boat Covers, Heavy Duty 13/15/16/17/18/19/20/22 ft fits V-Hull Pro-Style Bass Boats with Tightening Strap for $24.99 (orig. $74.99) free shipping with Amazon Prime.

Product Description:
Waterproof PU coating stop your boat from snow, rain and dust. Thiscover ensures that your boat is free from external factors when it idle.The buckle and loop locking system can prevent it damaged which beblown away by the wind. Also kit includes strap to the stability toincrease the service life of the boat. The cover have a convenientcarrying bag for portability.