fabric. 5 Year mfg. warranty, choose from 19 colors.  High Performance, Waterproof, and durable fabric

Ajustable support poles wth air vent included to prevent puddling and sagging of the covers and to prevent condensation

Custom cut-outs where necessary

Heat Weld and Lock-Stitch seams used throughout entire cover

Nylon webbing cinch strap for a tight and secure cinch

Foam pad reinforcement with soft-backed vinyl at ALL wear areas on the covers