.7 Mil, Gray, Heavy Duty Chair Covers, Cover Dimensions: 35"L x 27"W With 18"-35" Slope, Vinyl Unique Fleece Backing, Which Is First Compressed In A Flat Sheet Of Material Then Laminated To The Vinyl, Adding Strength & Durability, The Cover Is Secured Using Velcro Ties Sewn In Several Positions Around The Bottom Of The Cover, UV & Cold Crack Treatments In Conjunction With A Light Gray Color, Reflect The Sun's Harmful Rays To Assure Years Of Usage, Soft & Rich To The Touch, Adding Luxury To Your Patio While Protecting Your Furniture Investment, Perfect For Summer & Winter Storage, All Covers Carry A 3 Year Pro-Rated Warranty.