WHAT DOES OUTDOOR FURNITURE SOFAS MEAN?

I ordered 2 swivel patio chair covers in Ripstop gray - the Ultima Ripstop selection (7 yr guarantee). I'm so impressed with the standard of the material, the Specialist seam stitching, the velcro tie downs, as well as adjustable automobile-locking drawcord at The underside hem. Ripstop gray is a light gray coloration with mild blue undertones. Sad