Benefits include reduced air-induced stress on the seams, and less aerodynamic drag. Features include Vacu-Hold design, which creates a vacuum inside the cover during transit to draw the cover down snugly to the WaveRunner Our covers are constructed of ultra-durable Sur Last fabric for the ultimate protection against fading and the elements Superseded From: MWV-CVRSJ-GY-12 Brand new, genuine Yamaha Marine SuperJet Waverunner Cover. This is a factory original equipment part, not aftermarket. Fits: SUPERJET(2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012).